Opening a diagnostic (COM) port on T-Mobile S8 - T-Mobile Samsung Galaxy S8 Questions & Answers

Hi,
I'm trying to open a COM port on a new T-Mobile S8. I'm used to typing ##DIAG# and ##DMMODE# on Sprint and Verizon phones, but no luck with T-Mobile yet.
(Or AT&T for that matter, but that goes on a different thread. )
I've searched the forums, but I don't see examples of anyone successfully doing this. Does the phone need to be rooted first? I apologize if I'm missing anything -- I'm an inexperienced forum-er.
Thanks in advance!

BlitherPants said:
Hi,
I'm trying to open a COM port on a new T-Mobile S8. I'm used to typing ##DIAG# and ##DMMODE# on Sprint and Verizon phones, but no luck with T-Mobile yet.
(Or AT&T for that matter, but that goes on a different thread. )
I've searched the forums, but I don't see examples of anyone successfully doing this. Does the phone need to be rooted first? I apologize if I'm missing anything -- I'm an inexperienced forum-er.
Thanks in advance!
Click to expand...
Click to collapse
Well i tried it onto my laptop right now and this is what it is. Unless you're trying to intend to alter the COM Port, then idk what to say about it then.

Related

[Q] Help Choosing Rom To Flash

I have moved his over to the appropiate section and copied and pasted my question.
I am new to this forum and apologize for my noobness in advance as i wasn't sure either to post this here or in the Android Software and Hacking General section and i appreciate any comments as i understand i am new here and have contributed nothing to this forum. Here is my dilemma, i recently purchased a t mobile g1 from a friend about two weeks ago because i was interested in the android OS. Being in the UK it is locked to the T-mobile network which my existing sim is orange. I understand that there was a developers ROM that was released (codenamed holiday (adp 1.1)) which allows other networks to be used on the g1 e.g orange etc as its a developer version. I was wondering what compatible ROMS for the g1 (htc dream) that would allow me to use my orange sim. Again i really do appreciate nay comments and help i receive and understand i have not contributed to this community and it is highly rude to ask for something when given nothing.
Changing the ROM on your device will not unlock it so that you can use it on any network. You need to get an unlock code for your device. T-Mobile US will give these out to their subscribers but I don't know about your carier. If they don't you can get it online too. They will need your phone's IMEI to generate the code. Just put in the new SIM and it will prompt you for the code regardless of the ROM you have.
isnt there such a thing as a hardware unlock though if i use a custom rom?. I brought this phone from a friend so i doubt phoning t-mobile will help get me a code.
p.s. cheers for taking the time to comment
No, I'm fairly sure the only way to unlock this device is what I posted above.
i thought you just needed a t-mob sim to login and then you were free to choose after this whole rooting/flashing thing.
its already a long time ago, so i might confuse a lot and its only that what i think to know. nothing sure..
i wanted an android phone and my friend was saying i culd get his off him and i thought that be a perfect time to get into the android os and stuff, i wasnt ure if i coulld by rooting/flashing that id be able to use another network thats why i wondered if i flashed it to a deveopler rom the adp1 one i could us another sim, i will look into the method beav_35 put but im not sure on any reputable sites to trust to do this method.

TP2 T-Mobile --- Use on ATT?

Damn, wrong forum. This should have gone in the general discussion forum. I'm really not sure why it's here, I must have been looking at two pages. Sorry.
A buddy has offered to sell me his TP2. He's on T-mobile, I'm on ATT. If he gets the unlock code, can I just pop in my ATT sim and start using it or do I need to do something else?
Also, once I get to know the phone I'll probably want to install one of the custom ROMs; are there problems with doing this?
Thanks in advance. Yes, I searched the forums. I have been active on the ATT TP forum, so I'm going to be new here! Hope this forum is as friendly as that one is!
slack04 said:
Damn, wrong forum. This should have gone in the general discussion forum. I'm really not sure why it's here, I must have been looking at two pages. Sorry.
A buddy has offered to sell me his TP2. He's on T-mobile, I'm on ATT. If he gets the unlock code, can I just pop in my ATT sim and start using it or do I need to do something else?
Also, once I get to know the phone I'll probably want to install one of the custom ROMs; are there problems with doing this?
Thanks in advance. Yes, I searched the forums. I have been active on the ATT TP forum, so I'm going to be new here! Hope this forum is as friendly as that one is!
Click to expand...
Click to collapse
yes put your sim card in and it will work, and no there is not any problems with flashing custom roms you just have to read the guides before you do anything, mostly if its your first time, first you have to HardSPL the fone if not done already, there is a guide for that, and then you should task29 the fone then flash xD also you can flash a radio, look through these forums and you will fine how to complete these, good luck!
Thank You!
Thank you! That's what I wanted to hear! I'm getting the phone tomorrow, so I look forward to checking this forum out more thoroughly!
The only other thing you may want to take note of is that you will not be able to access AT&T's 3G network on the T-Mobile Touch Pro2. The hardware radio does not support their 3G network. EDGE and GPRS will work fine, however.

IS AT&t IMEI BLOCKING!!!!!!!!!!!?

I have flashed the uro rom of the galaxy tab on a us sgh-1987 att samsung tab , i inserted my at&t sim card and it will not allow me to make calls . Can some point me in the right direction to fix this. The at&t sim card i am using has voice and data. Or have i not done something properly.
You need to be using a different modem than the one included in the Euro rom. I believe either the Bell Canada or Rogers modems should work to enable voice on ATT. I'm using the Euro JMI rom with the Bell JK5 modem and it works fine for me.
See here: http://forum.xda-developers.com/showthread.php?t=847273
I followed the instructions and for some odd reason the sim that came with my samsung is the only one that will work even though my phone is unlocked and i am using another att sim card that has voice and data.
And when i go to check wireless settings it keeps me me in flight mode.
Using JMIv2 here. Just made a call -- seems fine.
I full flashed JMIv2 over top of JMEv4.
Your not doing something correct.
Also please post in the correct subforum. This in no way has anything to do with android development. This belongs in general. Read much??
Sent from my MoDaCo powered Galaxy Tab.
Pls change the title of your post. It's completely baseless, and it's obvious you did something wrong. Thanks!
mistadman said:
Pls change the title of your post. It's completely baseless, and it's obvious you did something wrong. Thanks!
Click to expand...
Click to collapse
How so? Its clearly a question, he has a question mark after the million exclamation marks...
Sent from zombie infested Gingerbread.
rushstatus1 said:
I have flashed the uro rom of the galaxy tab on a us sgh-1987 att samsung tab , i inserted my at&t sim card and it will not allow me to make calls . Can some point me in the right direction to fix this. The at&t sim card i am using has voice and data. Or have i not done something properly.
Click to expand...
Click to collapse
Weren't you on other threads contradicting people about 3g+ voice using service menus?
I am confused about your setup - what model tab? I thought you had t-mobile tab.
Anyway, on an at&t tab use the bell i9000 modem. Check your apn and network mode afteryou reboot.
The iemi blocking by t-mobile stops people from using data.
And besides clubtech does a perfect write up to get everything working. SEARCH IS YOUR FRIEND.
Good point!
Thank you
i appreciate the advice in pointing me in the right direction. but it seems like a lot of you aren't very newbie knowledge friendly. i posted what i was experiencing in the hopes of getting a point in the right direction. not a solution. turns out my Sim card was corrupted. all i had to do is go and grab a new one. i apologize if my question seemed too basic and trivial to you . but it turns out that i just made a logical investigative approach to my problem . I followed rotos guide to the letter so i assumed that AT&T had also latched on to the idea of imei blocking. I have done several apps for the android market ,and am constantly wanting to learn more . some of you have great skill sets but no patience for new comers. but all in all i will not post in the forum anymore if it involves being downgraded for simply asking for help, isn't this why we have forums for the techs the geeks the cpu nerds. who would have thought amongst intelligent people we still deal with aristocracy .
i did have a t-mobile tab and then returned and bought att tab and it works just fine now . like i said in the forum i am learning so please bear with me
Aristocracy has and will always be common among us nerds blame it on our our societal influences.
Regardless of that, people are more upset about you not searching the forum/threads. Please use the search option , it will save us all time and wasted bandwidth. Also post in the correct sub forum. This section is meant for what it was named for, development only. There is a general/ Q&A section.
Once again, I can't stress the search feature enough. It will seriously help. I promise.
Not flaming you, just trying to help direct you
i appreciate it thank you
hey guys im on roto's v4 and it works for both tmous and att

[Q] Putting a Milestone on Straight Talk

I feel this has been posted before, however my exhaustive internet search turned up nothing.
That said, I would like to put a Milestone which was formerly used on Verizon on to Straight Talk. My assumption is that this will take installing some sort of rom (or something like that ) in place of what Verizon shipped with the phone.
Will anyone with experience with or any insight to this issue let me know what I will have to do, or point me in the right direction?
I will note that I have not yet called straight talk and simply tried to put the phone on by asking them, because I have a strong feeling it is not that simple. Correct me if I am wrong!
I will be closely monitoring this thread. If there is any further information that you need to help me, such as model numbers, etc. let me know and I will supplement them for you ASAP.
Update:
I believe this is my phone:
Verizon's Droid A855 (?)
^If this is not the milestone, let me know and I will post this in the appropriate forum.
Physically, it looks like this phone:
http://www.youtube.com/watch?v=qm81D-7YgKk

desire 510 cricket root/bootloader unlock question

ok just confirming if the program in this http://forum.xda-developers.com/showpost.php?p=52041197&postcount=2 thread still works for the desire 510.
thanks in advance for help.
love the forum, has saved me more than once.
keep up the developing for the phones.
deamon1311 said:
ok just confirming if the program in this http://forum.xda-developers.com/showpost.php?p=52041197&postcount=2 thread still works for the desire 510.
thanks in advance for help.
love the forum, has saved me more than once.
keep up the developing for the phones.
Click to expand...
Click to collapse
That tool works but not for our 510s really... It's super easy and fast just to root the phone yourself because some of my friends tried that and it didn't work but in the process it did something to the boot and we weren't able to unlock it the easy way so I suggest you just use a computer and fastboot to do it.
for our 510s?
which carrier or not the us version?
the phone is on cricket not virgin mobile.
if you look at cricket please be tech savy their phone support is worse than republic wireless's phone support.(youd be better off without crickets support provided they dont hang up on you.)
deamon1311 said:
for our 510s?
which carrier or not the us version?
the phone is on cricket not virgin mobile.
if you look at cricket please be tech savy their phone support is worse than republic wireless's phone support.(youd be better off without crickets support provided they dont hang up on you.)
Click to expand...
Click to collapse
It doesn't matter what carrier you're on all of the HTC Desire 510s are the same except for the 64 bit ones. You don't have to take my advice, I'm just trying to save you some trouble but if you think that program is gonna unlock your phone and everything go for it, just don't come asking me why it screwed your phone up!! You can ask anyone around on here that knows me, I'm trying to keep you from messing up but like I said you don't have to take my advice!
Edit: I don't have cricket service so I don't care how bad their support is this has nothing to do with that... And if you're asking if I'm tech savvy.... LMAO, HAHA! That made my night man!!
actualy i was checking to see if the programs unlock scripts were upto date.
the desire 510 is listed but as a lg volt owner i know scripts need to be updated regularly.
advice given is always a good thing.
token retrival complete using program no issues!

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