[Requesting Help] [Noob] Flash Stock Firmware on SM-935A (AT&T)

Hello, all! I recently got a brand new Samsung Galaxy S7 Edge AT&T Model (SM-935A) from Best Buy, and I somehow decided to root it (Me being an iPhone user, I don't know anything about Android). Anyway, I ended up rooting the phone, and later, a Samsung Update popped up. Right after I denied it, my main apps (Caller ID Name, and Google Play Store) began to crash and fail to start up at all. Nothing was working as all apps were crashing. When I pushed restart on the phone, it booted through the 'custom' logo, then to the AT&T logo, where it stayed like that for hours. I noticed how hot the phone turned and put it in the refrigerator (After all, the phone is waterproof, right? ;_;). I searched on the internet, and there I found that I could full-wipe the phone out, which seemed reasonable to me, as I had not completely decked out the phone, yet. So after full-resetting the phone, I still saw the 'custom' logo, and all of my content was gone. As usual, I downloaded, and put back all of my accounts, and soon enough, another update came round, and my phone broke down... Again. So I repeated that step of wiping out my phone again. This happened about 3 more times until I decided to flash-fix my phone, or something akin to that term. I downloaded the required files of ODIN and software from this website, but instead, it still failed with the 'ODIN protocol version failed!' error. I do not understand this issue nor do I know how to fix it. I hear that XDA is the world's best developers at Android or something so I have come here as a FINAL RESORT! Thank you for reading, and to whoever may know, please help! (If you need pictures, I will be happy to post them!) :D

LTE Speed test - HTC One M9 vs ZTE Axon 7 (At&t)

So, I just did a speed test with my son's HTC One M9 and my Axon 7.

Test were done at the same time, even though the screenshots were 4 minutes apart.

Both phones on my desk, 2 feet apart, ran at the exact same time.

Notice the HTC with 5 bars of signal, my Axon 7 with only 2 bars. It was like that when I did the test too.

Results in attachment

Attached Thumbnails

 

AT&T MM beta to Official MM release

Have been a beta user for the ATT mm update. I can't get the phone to update to the official MM firmware that was released. I tried to see if I can and how to but all the guides don't mention build number N920AUCU2BPB1. Thanks

If I buy an AT&T note 7 from Samsung, do I have to activate it on AT&T?

If I buy an AT&T note 7 from Samsung, do I have to activate it on AT&T? I have cricket wireless. What is the best way to get the note 7?

Sent from my ONEPLUS A3000 using Tapatalk

Root AT&T Note 3 SM-N900A

Hi Everyone, I've read many post on this Forum and its helped alot but I just registered because I am stumped and gotten tired of looking and finding dead ends.........Ok so my wife gave me her Note 3 when she got her upgrade and I updated it to Lollipop 5.0 without thinking i ever wanted to root. Now I'm wanting to and I know Kingo Root dont work. I've been looking around and somewhat found out that I have to downgrade using Odin and root then update if I'm not mistaken, but I'm wanting to make sure I;m doing everything right.

Model Number: SAMSUNG-SM-N900A
Android Version: 5.0
Baseband version: N900AUCUEOC2
Kernel Version: 3.4.0-4335446
dpi@SWHD4309 #1
Fri Jul 31 21:47:49 KST 2015
Build Number: LRX21VN900AUCUEOC2


Anymore needed info please let me know and thanks in advance for any help given.....

I need to know step by step how to downgrade so i can root and it would be greatfully helpful if you could help with upgrading AFTER rooting

Please comment on AT&T compatibility

Is anyone using this phone with AT&T?

Currently, the OnePlus 3 IMEI is not registering with AT&T as an LTE device. As a result, the phone only connects to H if the IMEI is updated on AT&T's end.

I am hoping this is not the case with this phone. I pick mine up from Best Buy tomorrow.

AT&T samsung help

I have an AT&T samsung SM-G928A but i can find the file to root through odin. what exactly do i need to do step by step?

Lg g3 at&t factory unlocked firmware update question

Hey guys, I recently purchased an LG G3 AT&T Factory unlocked so other network carriers can be used. But when I click software update it already says I'm updated (CURRENTLY RUNNING LOLLIPOP 5.0.1) so I assume you need to have an AT&T sim card to update your software.
Is there like any way to bypass that so I can update my phone to android 6.0? If so how? and would I need to have it factory unlocked again?
I'm new to this, so detailed explanation would be deeply appreciated!

Cheers!

Verizon S7 Edge (SM-G935V) on AT&T with LTE tip

Hi all, just giving a quick 2 cents after my recent experience attempting to activate a Verizon S7 Edge on AT&T.

*Following a data reset you will need wifi for initial setup if you are using an AT&T sim card.

After following the guide in AT&T's web site for APN settings I was not able to get any data or mms service (this is using the NXTGENPHONE APN), so I did some experimenting. The following APN settings worked for HSPA+ data and mms, but NO LTE and NO MMS if connected to WIFI:

Name: ATT
APN: phone
Proxy: not set
Port: not set
Username: not set
Password: not set
Server: not set
MMSC: http://mmsc.mobile.att.net
Multimedia message proxy: proxy.mobile.att.net
Multimedia message port: 80
MCC: 310
MNC: 410
Authentication type: not set
APN type: default,mms,supl,hipri
APN Protocol: IPv4/IPv6
APN roaming protocol: IPv4/IPv6
Bearer: unspecified
Mobile virtual network operator type: none
Mobile virtual network operator value: not set

So at this point I had NO LTE service and NO MMS IF connected to wifi. Utilizing the LTE Discovery app from the play store I could see that LTE was "not available" but on my wife's S7 she was getting LTE on Band 4. To make a long story short I got online to an AT&T chat rep who told me that HSPA+ and LTE are the exact same and they just show up different on different phones... THIS IS NOT CORRECT!

I educated the dumba$$ rep that HSPA+ and LTE are not the same, and asked to speak to a tech support SPECIALIST. After a short wait for transfer the final solution that worked was to have the specialist change the IMEI on file for my phone number to an AT&T branded Note 5 (I had an old one on the account and just used that). I then restarted the phone and had to wait about 10 minutes for the HSPA+ to change to 4GLTE signal. MMS now works when connected to wifi as well! Please note that this was achieved using the above mentioned APN settings- using AT&T's guide for NXTGENPHONE still results in NO data or MMS.

So the bottom line when transferring a Verizon S7 Edge to AT&T:
1. Use the above APN settings
2. Call AT&T and change your phone number's IMEI in their system to an LTE capable AT&T branded device (in my case note 5 worked)
3. Reboot and wait about 10 minutes for the signal to register

**DON'T let a representative tell you that HSPA+ and LTE are the same thing.. we're talking 8 Mbps vs 50+ Mbps download and 2 Mbps vs 20+ Mbps upload!

Cheers


***Admin I accidentally posted this in the ROM section; can it be moved to discussion/guides? thanks

Stucked on AT&T Logo, Please help!

Samsung s7 Edge AT&T , I rooted my phone a couple of days ago using ( Samsung_Root_All_S7_QC_models ). Worked great. But was having issues with Lagging and Wifi. So I flashed the update fix. That took care of it. Phone was working great. This morning the phone was freezing, so I did a restart. Now it is stocked on the AT&T Logo. I can get into download mode. Tried rebooting from there, still same results. Any advise be great.

Cannot get into Recovery mode in AT&T H810

Hello guys,

I have AT&T H81020n MM 6.0 and I cannot get into recovery mode by pressing Vol Down + Power button. It just boots normally. Tried dozens of time. Any solutions? :crying:

Plus, I found a blog online which stated that G4 on 6.0 can be rooted, not sure if its legit. Anyone who got sufficient knowledge might wanna have a look and approve it?
Link: http://www.androidinfotech.com/2016/...rshmallow.html

TIA.

Rooting AT&T Samsung Galaxy s7 edge (snapdragon 820)

Hey everyone,

My main goal of this is to figure out how to root my s7 edge (snapdragon 820 variant).

First of all, this is my first time ever making a post on a thread/forum.

Also, I have just recently made the switch from my Apple Iphone to a Samsung Galaxy s7 edge.

With that being said, I've had an iphone since the iphone 4 and I have been jailbroken ever since.

I am aware that there is no official "root" available to the US snapdragon variant of the s7 edge but I know that it has been done but I have never done this before so I do not want to mess up my brand new phone.

Is there a way to ensure that all of my firmware/software/security settings are available to be rooted?

Thank you for bearing with me :cyclops:

July update. WI-FI calling AT&T

Just checked for software update this morning

Attachment 3825491
Attachment 3825492
Attachment 3825493

Security patch level July 1, and build number is now APG1

Attached Thumbnails

 


 


 


 

Can't WiFi tether on AT&T plan that allows it..

I am using my SIM from an iphone, and my stock device won't let me enable WiFi hotspot, telling me it needs to be enabled on my plan. The tethering worked fine on the iphone and the 3GB Mobile Share plan I am on says that it is permitted.

Do other people have this working? Is this because they don't have my proper IMEI attached to the SIM? Does AT&T have these IMEI numbers in their database or will I lose LTE if I update my IMEI?

How to update At&t galaxy s5 to 5.1

I am currently running 5.0 and there is no update from at&t , i use international unlocked device and don't use at&t sim.
My baseband version is : G900AUCU4BOF3

Can anyone help how do i update.
Thank you

Native Video Calling outside of AT&T

Can anyone tell me if there's a mod that will let me make a video call to another carrier? I paid outright for my phone and it's now carrier unlocked. I still can't seem to make it happen.

Galaxy s7 (G930A) At&T Root problem

Hi, I rooted my galaxy s7 from att using this method, https://www.youtube.com/watch?v=GNInTlCpv8E
It worked perfectly and I had my new rooted phone! So a couple of days after the root one of my apps stop working and I cannot get it to start working, it was a pushup workout app, so I restart my phone and it gets into a boot loop stuck on the at&t logo. I was very sad as I did not back anything up so I wiped my phone using the recovery boot and signed in and re-flashed the root rom through odin and re-installed supersu and it worked perfectly again. The next day I have the same problem but this time with snapchat and instagram so I knew what was going to happen and I restarted and it did the same thing. This time when I went into recovery boot I noticed "dm-verity verification failed" in red at the bottom. As of now I am just going to do what I did last time and wipe and re-flash as I made a backup this time and just restore my phone and hope it doesn't happen again. If someone could please explain why this is happening and maybe help me fix it I would be so happy thank you!

UPDATE 7/26/16: I re flashed the ap root file with odin without doing a factory reset and it is still stuck in a boot loop, meaning I have to do a factory reset to get it out.

AT&T S7 Edge stuck on AT&T Logo

A few moments ago I just flashed the Xposed Framework on my phone via Chainfire's Flashfire. My phone is now stuck on the white screen with the AT&T logo when you boot up. Can someone help me fix this?

[HELP] LS980 with Cyanogenmod 12.1 on AT&T

Hey guys,

I have a decent little LS980 here that I put Cyanogenmod 12.1 on via TWRP. I would like to use this phone on the AT&T network but I cant seem to figure out how to do it so I thought I would ask you. I spent some time googling and researching but I am not having much luck. Any help or advise you can offer would be awesome!

Lg v10 h900 at&t.... How to take off all at&t issues

Hi, I want to take all the AT&T issues on my LG V10, its rooted....anybody can help me to do it?..thanks