Invalid IMEI1 when using Lenovo bootloader unlock site - Lenovo Z5 Pro GT Questions & Answers

Hi,
I bought a Lenovo Z5 GT Pro from Lenovo official store on Aliexpress a year or so ago, when i received the phone it came with English and Chinese language merged into one (global rom bootloader unlocked). I left it in the box and recently have picked it up as Lineage 20 (Android 13) is available for the device, before i could flash this i needed to ensure the device was on Zui 11.5 (Android 10) but it was on 9 Pie. I found the official firmware for ZUI 11.5 and used QFIL to flash the image which relocked the bootloader.
[GUIDE] Unbrick Guide for Lenovo Z5 Pro GT [L78032/Stock Firmware/BootLoop Fix]
This tutorial is based on the Lenovo Z5 Pro(L78031 - NO-GT version) tutorial By BadCluster .Features - Unbrick - BootLoop Fix - Stock Rom - Stock Firmware - Stock Recovery - System as new as factory Note: This tutorial will remove all your...
forum.xda-developers.com
For me to flash Lineage 20 i needed to unlock the bootloader again, so i go to ZUI.com/iunlock and enter my details then i get invalid imei1 from there, i have had the phone connected to the internet and put a sim card in sim1 tray and still says same thing. I tried contacting Lenovo official store from Ali express but they don't seem to get what i am talking about.
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I read on forums about contacting [email protected] or [email protected] but not yet received any response back, i have even posted on Lenovo UK to see if anyone from Lenovo will reach out and help me.

Have you tried unlocking with regular fastboot commands ? I ask because site didn't work for me with Tab P11 PRO and when I tried it with fastboot it worked perfectly. No unlock.img no codes nothing but fastboot command.
spiky3mike said:
Hi,
I bought a Lenovo Z5 GT Pro from Lenovo official store on Aliexpress a year or so ago, when i received the phone it came with English and Chinese language merged into one (global rom bootloader unlocked). I left it in the box and recently have picked it up as Lineage 20 (Android 13) is available for the device, before i could flash this i needed to ensure the device was on Zui 11.5 (Android 10) but it was on 9 Pie. I found the official firmware for ZUI 11.5 and used QFIL to flash the image which relocked the bootloader.
[GUIDE] Unbrick Guide for Lenovo Z5 Pro GT [L78032/Stock Firmware/BootLoop Fix]
This tutorial is based on the Lenovo Z5 Pro(L78031 - NO-GT version) tutorial By BadCluster .Features - Unbrick - BootLoop Fix - Stock Rom - Stock Firmware - Stock Recovery - System as new as factory Note: This tutorial will remove all your...
forum.xda-developers.com
For me to flash Lineage 20 i needed to unlock the bootloader again, so i go to ZUI.com/iunlock and enter my details then i get invalid imei1 from there, i have had the phone connected to the internet and put a sim card in sim1 tray and still says same thing. I tried contacting Lenovo official store from Ali express but they don't seem to get what i am talking about.
View attachment 5802199
View attachment 5802189
I read on forums about contacting [email protected] or [email protected] but it not received any response back, i have even posted on Lenovo UK to see if anyone from Lenovo will reach out and help me.
Click to expand...
Click to collapse

tek3195 said:
Have you tried unlocking with regular fastboot commands ? I ask because site didn't work for me with Tab P11 PRO and when I tried it with fastboot it worked perfectly. No unlock.img no codes nothing but fastboot command.
Click to expand...
Click to collapse
Hi,
Thanks for the reply, i have tried the fastboot unlock commands and below is what i get. Both USB debugging and OEM unlock enabled within the developer options.
Not really sure what to do now as i have had no response from devworld and the ZUI bootloader unlock site still shows imei1 invalid.

Just tried the ZUI unlock site again and was greeted with the below message instead, i am hoping that i would normally get imei1 invalid instead if there was still an issue. Fingers and toes crossed haha.

I have now received this when trying yesterday evening, no email yet but i did read that Lenovo doesn't like to send to *@gmail.com accounts if not i will try with another email with different domain.

Related

New ZUK Z2 Pro user needs help?

Hi, i have just bought a Z2 Pro and i have a few questions on what's the best setup i can do with it and put onto it. I think i have the international ROM on the device as it came with Google Play store and it has plenty of languages to choose from.
In Settings/About it states it has Android 6.0.1 and ZUI Version 2.3.044 ST on it.
I cannot for the life of me find how to check if there is an update for the ZUI on the phone so i am wondering how i can go about updating the firmware without voiding any warranty. I have limited experience in rooting phones and i would like to see if i can live with the latest ZUI version before delving into custom ROM'S to be honest.
Can anyone point me in the right direction as to how to upgrade the official international firmware for the ZUK Z2 Pro?
Regards
Stuart
it seems you've an unofficial vendor ROM
so you need to unlock bootloader and then flash with QFIL tool proper stock ROM or custom ROM (GizRom Nougat 7.x).
you will find all infos here: zukfans.eu/community/forums/zuk-z2-pro.4/
Thank you for clearing it up for me. I will look into bootloaders and flashing a ROM version onto it to get a more up to date version of android.
Sent from my ZUK Z2121 using Tapatalk
With QFIL you don´t need to unlock your bootloader
https://zukfans.eu/community/threads/howto-flash-a-stock-zui-rom-zuk-z2-pro-z2121-only.57/#post-624
Zomby90 said:
With QFIL you don´t need to unlock your bootloader
https://zukfans.eu/community/threads/howto-flash-a-stock-zui-rom-zuk-z2-pro-z2121-only.57/#post-624
Click to expand...
Click to collapse
this guide you linked is a mess and badly written and @stu1690 will surely get stuck and brick maybe
the same guide is also here on XDA
https://forum.xda-developers.com/zuk-z2-pro/how-to/howto-flash-stock-rom-t3435109
@stu1690 i would advise you to double/triple read these guides and most of the user comments after the OP too...you will often find solutions and posted fixes from people who have got the guide wrong and stuff,let me know if you want to link over at china-devices when you are ready and i will do my best to help you out mate
you can put on the latest zui rom without doing any hacking. should be guides here if not deleted
zwat said:
you can put on the latest zui rom without doing any hacking. should be guides here if not deleted
Click to expand...
Click to collapse
Even if it has a shop ROM on it?
Sent from my ZUK Z2121 using Tapatalk
mine had a global rom. was easy to change.
---------- Post added at 21:08 ---------- Previous post was at 20:40 ----------
https://forum.xda-developers.com/zuk-z2-pro/how-to/howto-flash-stock-rom-t3435109 I used this quide
This is the ROM I have on my phone.
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Is this the global ROM?
Sent from my SM-G930F using Tapatalk
..
I managed to update to the latest ZUI but if i am honest it's not to my liking as half of the apps and writing is in Chinese so it's got to go.
I am now looking at how to put a custom Nougat ROM on that doesn't have many problems on the Z2 PRO. I believe i will have to figure out how to root the phone and possibly unlock the bootloader before flashing.
Are there any guides in how to flash a custom ROM on this site and what would be considered the best ROM to use?
Regards
Stu
stu1690 said:
Are there any guides in how to flash a custom ROM on this site and what would be considered the best ROM to use?
Click to expand...
Click to collapse
I followed this guide which worked fine for unlocking the bootloader and rooting : https://forum.xda-developers.com/zuk-z2-pro/how-to/howto-install-mokee-7-1-1-unofficial-t3582686
Except instead of flashing Mokee, I recommend flashing this version of AICP : https://forum.xda-developers.com/zuk-z2-pro/development/rom-aicp-12-1-n-zuk-z2-pro-t3596836 . It's not officially supported by AICP but it's the only one I found where everything works perfectly, including customizing the U-touch gestures, and it comes with Magisk to manage root which is nice I think. Just don't forget to deactivate the 3 Chinese apps that are bundled with the ROM.

Have I been tricked? Which phone is this?

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Top circle is a model for Mi 5X
Bottom circle is a model for Mi A1
Phone came with fake A1 ROM (tissot), unlocked bootloader
It was not receiving any OTA updates, so I tried to manually update it to official Mi A1 fastboot rom
Phone got bricked
I flashed (Tiffany) 5X official fastboot ROM rom from EDL (hard boot to edl by two point short method) - flashed both Stable and Developer version
Both ROMs do not boot into system, bootloops on mi logo, I can get to fastboot and mi's default chinese language recovery
The bootloader is locked - can't unlock it from system or fastboot with Xiaomi's unlock tool (it needs me to link the phone with my account through MIUI settings, which I cannot get to because it does not boot into system in the first place)
I have heard I can also flash the (Oxygen) (a fake Mi 5X) ROM on it, but it is dangerous because it may hard brick the device forever, not even EDL flash can revive it.
So I'm stuck, wtf, what do I do?
Sorry I cant help you there, where the hell did you purchase this from though and how much did you pay for it? I'm just curious
René Rinner said:
Sorry I cant help you there, where the hell did you purchase this from though and how much did you pay for it? I'm just curious
Click to expand...
Click to collapse
HongKong, about $200 USD
udaan said:
HongKong, about $200 USD
Click to expand...
Click to collapse
In a Mi Store? Or on the street? Wtf man...
René Rinner said:
In a Mi Store? Or on the street? Wtf man...
Click to expand...
Click to collapse
Streets. I have check the IMEI and serial number online. It is obviously a Mi5X. They just installed some weird MiA1 port and flashed it over it. Also went far as printing that A1 label on that back. lol
udaan said:
View attachment 4491889
Top circle is a model for Mi 5X
Bottom circle is a model for Mi A1
Phone came with fake A1 ROM (tissot), unlocked bootloader
It was not receiving any OTA updates, so I tried to manually update it to official Mi A1 fastboot rom
Phone got bricked
I flashed (Tiffany) 5X official fastboot ROM rom from EDL (hard boot to edl by two point short method) - flashed both Stable and Developer version
Both ROMs do not boot into system, bootloops on mi logo, I can get to fastboot and mi's default chinese language recovery
The bootloader is locked - can't unlock it from system or fastboot with Xiaomi's unlock tool (it needs me to link the phone with my account through MIUI settings, which I cannot get to because it does not boot into system in the first place)
I have heard I can also flash the (Oxygen) (a fake Mi 5X) ROM on it, but it is dangerous because it may hard brick the device forever, not even EDL flash can revive it.
So I'm stuck, wtf, what do I do?
Click to expand...
Click to collapse
Check if this thread can help you: http://en.miui.com/thread-2223943-1-1.html
HasanAhmed said:
Check if this thread can help you: http://en.miui.com/thread-2223943-1-1.html
Click to expand...
Click to collapse
Hey, thanks for the link. I tried that a week ago. It gives me bootloop on mi logo. And it locks the bootloader as well. Also I have to flash it from EDL mode (by opening up the cover and using the two point short method to boot to EDL mode), from fastboot mode it cannot flash the modem.
is there a solution for this problem ? have you fixed your device mr udaan?
I have exactly the same problem and I still can't figure it out. I have also done exactly what you have already done but the same bootloop on mi logo. The last thing to try is to flash it with the oxygen 5x rom but I am a bit afraid.
Did you manage to do anything?

[TOOL][XRN8] TOOL ALL IN ONE (Drivers|TWRP|Factory Image|Stock Recovery)

This is the Xiaomi Redmi Note 8's TOOL ALL IN ONE Discussion Thread more info and download go to the Original Thread
TOOL ALL IN ONE
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ADVANCED OPTIONS
FUNCTIONS
Install Drivers
Install Drivers
Unlock Bootloader
Lock Bootloader (use carefully)
Flash TWRP Recovery
Flash Stock Recovery
Flash Stock Factory Image
Automatic ROOT
Install APKs
Uninstall APKs
Take a Screenshot
Take a Screen Reocrd
Flash Partitions
Erase All Data (This function can decrypt the phone)
Reboot Phone
Update the Tool to latest version
Update Adb and Fastboot to latest version
Set Adb and Fastboot priviliges in system wide
Install Zip directly from PC (Required TWRP on phone)(These functions work perfectly on my pc but i have perfect adb drivers on my pc and perfect TWRP on my phone)
Flash Fastboot ROM
Delete downloaded files
ADB File Manager
DEVICE LIST
If you want you can send a request to add a new device here:
New Device Request Form
Device List
DOWNLOAD
Original Thread
DONATE LINK
If you want to support the project please consider making a donation, thanks.
​
nice addition to the redmi note 8 users
just flashed the latest twrp and all good
So we don't have to wait for unlocking bootloader?
countedtoten said:
So we don't have to wait for unlocking bootloader?
Click to expand...
Click to collapse
you have
this tool is just a all in one tool.
it wont bypass the waiting time to unlock
currently if we want flash Magisk we have to do a factory reset, if I use this software for flash Magisk, I need to do a reset?
What about willow? I know the only change is NFC, but I can't really find stock for it.
The ultimate tool, yes, sir. ?
What about RN 8T? Is it same as RN 8? I'm asking because of NFC...
Danchibald said:
What about RN 8T? Is it same as RN 8? I'm asking because of NFC...
Click to expand...
Click to collapse
Yes you can use it on both devices
will it install the latest twrp for the 8t
cRaZyzMaN said:
you have
this tool is just a all in one tool.
it wont bypass the waiting time to unlock
Click to expand...
Click to collapse
what is the time to wait before unlock bootloader
i just bought one and i'm new to this world
loopypalm said:
what is the time to wait before unlock bootloader
Click to expand...
Click to collapse
168 hours usually
---------- Post added at 03:06 AM ---------- Previous post was at 02:57 AM ----------
Thanks Sir, been using this since Note 4 (Mido).
And it would be nice if we can flash Orange Fox with just one button.
Again thanks Sir, great tool.
Has anyone made a YouTube video showing this tool in use?
hello
with this tool is it possible to remove the installed twrp?
What features of this tool are currently working on ginkgo?
Cheers
note 8t using TOOL_ALL_IN_ONE_2.0.1.3 - no device detected, oem unlocking on, usb debugging on, adb fastboot app installed ?
bluefender said:
note 8t using TOOL_ALL_IN_ONE_2.0.1.3 - no device detected, oem unlocking on, usb debugging on, adb fastboot app installed ?
Click to expand...
Click to collapse
It's a driver problem, follow this guide:
https://www.youtube.com/watch?v=P2cOPimr-rA&t=18s

IMPOSIBBLE to unlock bootloader

hi there, i want to unlock the bootloader but every mi unlock tool i try always give me an error. I tried mi unlock it give an error says "couldn't unlock can't get info, connect again". and i tried to use XiaoMiTool it says "remote: 'Token Verify Failed, Reboot the device'". and i tried old version of mi unlock it's not show unlock button instead it shows kind of my mi account page thing.
any help appreciated, thanks
Layer BRo said:
hi there, i want to unlock the bootloader but every mi unlock tool i try always give me an error. I tried mi unlock it give an error says "couldn't unlock can't get info, connect again". and i tried to use XiaoMiTool it says "remote: 'Token Verify Failed, Reboot the device'". and i tried old version of mi unlock it's not show unlock button instead it shows kind of my mi account page thing.
any help appreciated, thanks
Click to expand...
Click to collapse
Same with me in riva
@Layer BRo hi bro. I have these problems to. I spend whole last evening to debug and find combination of needed drivers and versions of mi unlock, xiaomitool or mi flash tool. None of my attempts wasn't successful and I have error messages exactly the same with you. I have an idea that something was changed in xiaomi unlock process at the xiaomi sides and maybe this little old device doesn't know about failed token. But this is just an idea. I don't have any proofs, sorry. And I am also looking what could gone wrong but still with no success.
@Layer BRo
Finally I got the solution described on github with XiaoMiTool. I have built and checked it in Arch Linux.
Clone this repo: https://github.com/francescotescari/XiaoMiToolV2/i
Firstly, make this change in source code for changing xiaomi auth url (yeah my idea was right):
Xiaomi procedure failed: [getServiceToken] Missing serviceToken cookie · Issue #23 · francescotescari/XiaoMiToolV2
I followed the instructions to unlock my Xiaomi phone, but I found this procedure error in the current linux version and in the Windows version.
github.com
Second change for correct displaying image to verify sending sms code for mi account: https://github.com/francescotescari...ontent-pjax-container#issuecomment-1059912412
./gradle build && ./gradle run
After that I need just to wait 333 hours to unlock Please write if you will have any questions, I will try to help.
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uknown_archer said:
@Layer BRo
Finally I got the solution described on github with XiaoMiTool. I have built and checked it in Arch Linux.
Clone this repo: https://github.com/francescotescari/XiaoMiToolV2/i
Firstly, make this change in source code for changing xiaomi auth url (yeah my idea was right):
Xiaomi procedure failed: [getServiceToken] Missing serviceToken cookie · Issue #23 · francescotescari/XiaoMiToolV2
I followed the instructions to unlock my Xiaomi phone, but I found this procedure error in the current linux version and in the Windows version.
github.com
Second change for correct displaying image to verify sending sms code for mi account: https://github.com/francescotescari/XiaoMiToolV2/issues/23?_pjax=#repo-content-pjax-container#issuecomment-1059912412
./gradle build && ./gradle run
After that I need just to wait 333 hours to unlock Please write if you will have any questions, I will try to help.
View attachment 5566619
Click to expand...
Click to collapse
Repo not working
Hi, I had the same issue. I used Mi Unlock tool version 5.5.1224.27 and it unlocked
I am having same issues but today phone says in chinese its locked via find my phone to another account, i brought phone via a reseller on aliexpress. Have contacted them, but might be a lost cause. Anyone know of a way round this issue ??, ( i found another mention of same issue with another phone that didn´t seem solved,)
Daniel 123 said:
Hi, I had the same issue. I used Mi Unlock tool version 5.5.1224.27 and it unlocked
Click to expand...
Click to collapse
thank you very much

How To Guide Redmi Note 12 Pro 5g (RUBY) Format Data and FRP Done using Unlock Tool

Redmi Note 12 Pro 5g (RUBY) Format Data and FRP Done using Unlock Tool!
Please setup MTK drivers on your computer and install Radmin VPN and USB Redirector for unlocking
your device for free.
PM ME!
WARNING: PLEASE DO NOT ASK ME TO UNLOCK STOLEN DEVICES!
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I have flashed a wrong region rom with Mi Flash Tool and locked the bootloader. Now bootloader is locked with phone not accepting the firmware and it is struck in Fastboot mod. I have tried several methods even from YT but it didn't worked for me. I don't know what to do with my phone and I don't care abt any of the data installed in my phone I just want my phone back to life. Can U guide me with this method How to Unlock the bootloader so that I may flash my phone with Stock Rom ?
prinxce.ali said:
I have flashed a wrong region rom with Mi Flash Tool and locked the bootloader. Now bootloader is locked with phone not accepting the firmware and it is struck in Fastboot mod. I have tried several methods even from YT but it didn't worked for me. I don't know what to do with my phone and I don't care abt any of the data installed in my phone I just want my phone back to life. Can U guide me with this method How to Unlock the bootloader so that I may flash my phone with Stock Rom ?
Click to expand...
Click to collapse
Flash the correct rom using SP Flash tool.
mvikrant97 said:
Flash the correct rom using SP Flash tool.
Click to expand...
Click to collapse
Any guide how can I use that ?
my phone is same redmi note 12 pro 5G MTK 1080
prinxce.ali said:
Any guide how can I use that ?
my phone is same redmi note 12 pro 5G MTK 1080
Click to expand...
Click to collapse
There may be no specific guide on how to fix your device but you can use reference of other MTK phones on how to do that.
If you don't find anything online then I will help you flash your device.
mvikrant97 said:
There may be no specific guide on how to fix your device but you can use reference of other MTK phones on how to do that.
If you don't find anything online then I will help you flash your device.
Click to expand...
Click to collapse
Well I have searched a lot on forums and YT as well but couldn't find much
prinxce.ali said:
I have flashed a wrong region rom with Mi Flash Tool and locked the bootloader. Now bootloader is locked with phone not accepting the firmware and it is struck in Fastboot mod. I have tried several methods even from YT but it didn't worked for me. I don't know what to do with my phone and I don't care abt any of the data installed in my phone I just want my phone back to life. Can U guide me with this method How to Unlock the bootloader so that I may flash my phone with Stock Rom ?
Click to expand...
Click to collapse
It is recommended to try the MTK Auth Bypass Tool. I am not sure whether the third-party link provided by XDA is compliant, so I will not provide it. It should be easy to search for Google. The latest version is 106. It seems to support unlocking the bootloader lock of note12pro. Haven't tried it, let me know if you succeed
The tool breaks the phone Software.
It doesn't seems to work.
Dumet said:
It is recommended to try the MTK Auth Bypass Tool. I am not sure whether the third-party link provided by XDA is compliant, so I will not provide it. It should be easy to search for Google. The latest version is 106. It seems to support unlocking the bootloader lock of note12pro. Haven't tried it, let me know if you succeed
Click to expand...
Click to collapse
After spending a lot of time on web, YT vids and forum I solved the issue with my phone.
prinxce.ali said:
After spending a lot of time on web, YT vids and forum I solved the issue with my phone.
Click to expand...
Click to collapse
In what way was it resolved? Bypass authorization or crack the bootloader lock

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