[Q] Grand 2 Duos in Brazil: model number SM-G7102T (not G7102)

chicao · Mar 22, 2014

Hello from Brazil to Grand 2 owners and developers!

I've just bought a Grand 2 Duos smartphone, to replace my Grand Duos (GT-I9082L) because of a broken screen. After reading many XDA posts on this phone, I found out that my model number is not the same mentioned here: mine is SM-G7102T, not SM-G7102. I guess "T" stands for "TV", as it has a digital TV receiver, with antenna and builtin app (see photo/screenshots attached).

I would like to try rooting my phone, but it seems dangerous to install @balliboxer's prerooted ROM, because of the different model number. Is there any safe way to test it? TV is not important, root access would be much more useful. But I'm afraid of bricking my phone with the custom ROM.

As it's a newly released phone, I couldn't even find its stock ROM on samfirmware.com or samsung-updates.com. Is there any way to backup my current firmware, so that I can restore if needed?

Can I help XDA members to find out some technical details about this specific model, so that balliboxer and other developers can assure if the custom ROMs can work with it?

-> UPDATED - April 1st (not April Fools!!): CF-ROOT file made for SM-G7102 works with SM-G7102T! Check this thread (thanks, chainfire!):

http://xdaforums.com/galaxy-grand-2/development/-t2698428

Thanks a lot!

Francisco Mogadouro da Cunha
Campinas - Sao Paulo - Brazil

Marcos Paulo · Mar 31, 2014

Francisco,

I think it will be hard to get root access because appearantely this model have just release only here in Brazil

gerardojunior · Apr 1, 2014

Friend. I bought SM-G7102T but it is impossible to use. Lock too. It is very difficult to make and receive calls. Until changed by another but the default continues. Your gran 2 also came with this defect?

britoaugusto · May 5, 2014

gerardojunior said:
Friend. I bought SM-G7102T but it is impossible to use. Lock too. It is very difficult to make and receive calls. Until changed by another but the default continues. Your gran 2 also came with this defect?

Have you this problem yet? I have the same problem and I'm trying to solve this, but no success

rlfmeneses_ · May 10, 2014

Root and call problems

I cant do the root and Im having trouble with calls (very slow with the contacts). Any solution?

matracapx · May 26, 2014

rlfmeneses_ i have the same problem ;(

rspaulo · Aug 22, 2014

DELETED

JussaSP · Oct 14, 2014

Re:

rspaulo said:
DELETED

1) Install KIES on your desktop;
2) Plug your Grand 2 Duos (SM-G7102T) via USB cable;
3) When KIES recognizes device and it's version (SM-G7102T), it will automatically update with new firmware version that fix this problem. (Problem: Very slow to answer calls and to made new calls also to view contact list).

Thanks;
Jussa.

rspaulo · Oct 14, 2014

JussaSP said:
1) Install KIES on your desktop;
2) Plug your Grand 2 Duos (SM-G7102T) via USB cable;
3) When KIES recognizes device and it's version (SM-G7102T), it will automatically update with new firmware version that fix this problem. (Problem: Very slow to answer calls and to made new calls also to view contact list).

Thanks;
Jussa.

Just want a 4.4 rom, but thanks

thiago.augusto.souza · Apr 14, 2015

chicao said:
Hello from Brazil to Grand 2 owners and developers!

I've just bought a Grand 2 Duos smartphone, to replace my Grand Duos (GT-I9082L) because of a broken screen. After reading many XDA posts on this phone, I found out that my model number is not the same mentioned here: mine is SM-G7102T, not SM-G7102. I guess "T" stands for "TV", as it has a digital TV receiver, with antenna and builtin app (see photo/screenshots attached).

I would like to try rooting my phone, but it seems dangerous to install @balliboxer's prerooted ROM, because of the different model number. Is there any safe way to test it? TV is not important, root access would be much more useful. But I'm afraid of bricking my phone with the custom ROM.

As it's a newly released phone, I couldn't even find its stock ROM on samfirmware.com or samsung-updates.com. Is there any way to backup my current firmware, so that I can restore if needed?

Can I help XDA members to find out some technical details about this specific model, so that balliboxer and other developers can assure if the custom ROMs can work with it?

-> UPDATED - April 1st (not April Fools!!): CF-ROOT file made for SM-G7102 works with SM-G7102T! Check this thread (thanks, chainfire!):

http://xdaforums.com/galaxy-grand-2/development/-t2698428

Thanks a lot!

Francisco Mogadouro da Cunha
Campinas - Sao Paulo - Brazil

Hi friend... I´m from Brazil too and I have a g7102t. When you rooted the phone, the TV stay works?
I have some issues on my smartphone. The battery is very hot and terminate so fast. The GPS is very slow to connect.
I need to upgrade to 4.4.4 or 5.0 (CM12). But I can´t lose TV function.
Can you help me?

chicao · Apr 15, 2015

thiago.augusto.souza said:
Hi friend... I´m from Brazil too and I have a g7102t. When you rooted the phone, the TV stay works?
I have some issues on my smartphone. The battery is very hot and terminate so fast. The GPS is very slow to connect.
I need to upgrade to 4.4.4 or 5.0 (CM12). But I can´t lose TV function.
Can you help me?

Hi Thiago! I'll write in English, as the answer may be useful to people from other countries. I really don't know if there is GM-7102T in any other country, or if it's a Brazil-only version.

Everything works fine after rooting, including embedded TV. Unfortunately my phone broke some months ago, and I've changed to other model. So I think I can't help you with the other issues.

Francisco

thiago.augusto.souza · Apr 15, 2015

Hi Francisco! Tks for response! I'll try to root too. But do you know if cm12 still works built in TV?

chicao · Apr 15, 2015

thiago.augusto.souza said:
Hi Francisco! Tks for response! I'll try to root too. But do you know if cm12 still works built in TV?

I don't know anything about CM12 on G7102T. I've used only a rooted stock ROM.

I guess TV won't work, as it requires specific software. But you can try it and reinstall original ROM back if it doesn't work.

thiago.augusto.souza · Apr 24, 2015

chicao said:
I don't know anything about CM12 on G7102T. I've used only a rooted stock ROM.

I guess TV won't work, as it requires specific software. But you can try it and reinstall original ROM back if it doesn't work.

Dear Chicao,
Do you think that it´s possible do a backup of TV´s software (with Titanium Backup) and restore on CM12?
Regards,
Thiago.

Daved+ · May 1, 2015

thiago.augusto.souza said:
Dear Chicao,
Do you think that it´s possible do a backup of TV´s software (with Titanium Backup) and restore on CM12?
Regards,
Thiago.

The tv app uses a lot of libs and system files tb won't backup. I already did it.

We already lost the hope on getting an official update for the g7102, didn't we?

Sent from my Note3

coputer · Dec 23, 2017

I am have problem in Odin write failed... Can you help?

<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/004> Added!!
<ID:0/004> Odin engine v(ID:3.1210)..
<ID:0/004> File analysis..
<ID:0/004> SetupConnection..
<ID:0/004> Initialzation..
<ID:0/004> Get PIT for mapping..
<ID:0/004> Firmware update start..
<ID:0/004> NAND Write Start!!
<ID:0/004> SingleDownload.
<ID:0/004> sbl1.mbn
<ID:0/004> aboot.mbn
<ID:0/004> rpm.mbn
<ID:0/004> tz.mbn
<ID:0/004> sdi.mbn
<ID:0/004> NON-HLOS.bin
<ID:0/004> boot.img
<ID:0/004> recovery.img
<ID:0/004> system.img.ext4
<ID:0/004> FAIL! (Erase)
<ID:0/004>
<ID:0/004> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)
<ID:0/004> Removed!!

I dont have permission for post picture or URL

Enviado de meu MI 5 usando Tapatalk

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[Q] Grand 2 Duos in Brazil: model number SM-G7102T (not G7102)

chicao

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Marcos Paulo

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