Acer B1-850 - Acer Iconia One 8

Hello has anyone got a B1-850 Firmware? I need it to get my tablet out of the bootloop thanks....
factory reset does not work on several attempts

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Broken rotating sensor?!

Hello guys,
I've got a not so big, but very irritating problem:
My display does not turn and I can not calibrate it...
I have already flashed the KDZ files, did a factory reset but it helpen nothing.
My phone is rooted and unlocked.
Hope you can help me soon.
Ultracoolman

[Q] Huawei W1-U00 - Hard Reset - Stock ROM flashing

Hi guys..I have this device..And when I turn it on it stuck on Huawei Logo..I tryed to get on factory reset screen but I can't..I get some wheels spining or on interjection symbol ("!")..So I don't know how to make it..So my question is,or two!
1. How to make a hard reset?
2. How to flash stock ROM again
I was searching for tutorials but everything is on Poland!
Thank you guys
big noob said:
Hi guys..I have this device..And when I turn it on it stuck on Huawei Logo..I tryed to get on factory reset screen but I can't..I get some wheels spining or on interjection symbol ("!")..So I don't know how to make it..So my question is,or two!
1. How to make a hard reset?
2. How to flash stock ROM again
I was searching for tutorials but everything is on Poland!
Thank you guys
Click to expand...
Click to collapse
forumsDOTwpcentralDOTcom/huawei-ascend-w1/229445-those-who-get-their-w1-market-locked-chinaDOThtml (sorry, can't post links yet)

[Q] Otter2 flashed on JEM, hard bricked?

So I stupidly flahsed Otter2 on my KFHD 8.9. It will not boot at all, black screen, I have already tried fastboot cable. Can I send this to anyone to fix?
Thanks!
last4ever said:
So I stupidly flahsed Otter2 on my KFHD 8.9. It will not boot at all, black screen, I have already tried fastboot cable. Can I send this to anyone to fix?
Thanks!
Click to expand...
Click to collapse
It's hard bricked mate
Sent from my device running CyanogenMod 11
Thanks. Is the consensus then that this is a lost cause?
Try to find one that's cracked on eBay and swap out the mainboard

[Q] stuck on s/w update

Hi everyone,
I have a rooted LG o4hd that has been failing me
started with not recognising my simcard
so i decided to do a factory reset and then update
now it is stuck on the s/w update screen
cant do anything else then that
i already tried all the info i could find here on the forum
nothing seems to help
flashing kdz,unbrick tutorial
if anyone could help me find a solution
many thnx in advance
(also sorry for my english,not my native language)

Trying to restore ROM

Hello,
A couple of days ago, i received a call and my phone just turned off. Since then, it just get stuck in the M powered by android logo. My phone is not rooted and nothing is modified since i acquired it.
I tried to reset the phone with a hard reset or reseting it to factory or recovery from bootloader, but it did not fix anything, so the last try i was doing was restoring the Stock ROM, following the steps in the following thread: https://forum.xda-developers.com/moto-g-2014/general/restore-to-stock-t2873657/
The problem I have found is that I have tried 3 different roms for XT1068 4.4.4
RETAILDSDSALL_XT1068_4.4.4_KXB21.85-14_cid7_CFC_SVC.xml
RETAILDSDSALL_XT1068_4.4.4_KXB21.85-23_cid7_CFC.xml
RETAILDSDSALL_XT1068_4.4.4_KXB21.85-27_cid7_CFC_SVC.xml
but I have received the same error message from all of them: "invalid PIV signed system image"
could anybody try to help me with this issue? i think i am not too far to solve and fix the phone, but i dont know what else i can try.
Thank you very much in advance.
yukovski said:
Hello,
A couple of days ago, i received a call and my phone just turned off. Since then, it just get stuck in the M powered by android logo. My phone is not rooted and nothing is modified since i acquired it.
I tried to reset the phone with a hard reset or reseting it to factory or recovery from bootloader, but it did not fix anything, so the last try i was doing was restoring the Stock ROM, following the steps in the following thread: https://forum.xda-developers.com/moto-g-2014/general/restore-to-stock-t2873657/
The problem I have found is that I have tried 3 different roms for XT1068 4.4.4
RETAILDSDSALL_XT1068_4.4.4_KXB21.85-14_cid7_CFC_SVC.xml
RETAILDSDSALL_XT1068_4.4.4_KXB21.85-23_cid7_CFC.xml
RETAILDSDSALL_XT1068_4.4.4_KXB21.85-27_cid7_CFC_SVC.xml
but I have received the same error message from all of them: "invalid PIV signed system image"
could anybody try to help me with this issue? i think i am not too far to solve and fix the phone, but i dont know what else i can try.
Thank you very much in advance.
Click to expand...
Click to collapse
What was the last OS you were using??
avrockz11 said:
What was the last OS you were using??
Click to expand...
Click to collapse
I think it was 6.0 but, is it relevant? I mean, I understood that the important data is the one that was in the phone from factory, in this case the 4.4.4
yukovski said:
I think it was 6.0 but, is it relevant? I mean, I understood that the important data is the one that was in the phone from factory, in this case the 4.4.4
Click to expand...
Click to collapse
With OTA update to Marshmallow, your bootloader too was upgraded..therefore you can't flash the KitKat version again without risking a hard brick..so try flashing a MM build.
To restore to MM,follow this thread
https://forum.xda-developers.com/moto-g-2014/general/official-firmware-titan-xt1068-t3312933

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