First of all thanks to kokbiel for discovering this!
Do not try this if you have an unlocked bootloader or if you dont know what your doing! I'm not resposible if you break or brick your phone!
If you're allready on a rooted .181 or .184 and OTA update is available for you just update your firmware. If there is no OTA update available for your customazation version follow these instuctions:
- flash back to 3.0.A.2.181 generic with the flashtool
- Use Gingerbreak or Superoneclick to root your device
- Update your Arc using a OTA(over the air) update(Go to settings->About phone->Software update)
- Enjoy your rooted 2.3.3!!!
Update 1: it seems that the OTA update is not working if you did any modifications to/deleted system files so it's adviced to always flash the .181 firmware provided in this post
Update 2: if you have any battery problems after flashing the .181 firmware(if it's only showing 1%) removing the battery for a few minutes should solve this
Update 3: thanks to ricstc we now have a video tutorial on how to follow these instructions
Update 4: if you want you can keep your user data by unchecking the whipe user data in the flashtool while selecting the correct ftf file. this will cause a lot of error message's on 2.3.2 but just click them away and continue the procedure, after upgrading again to 2.3.3 the error message's will be gone!
Update 5: this methode still works with the new 4.0.A.2.368 firmware! if you don't get the OTA update with the provided .181 firmware try flashing the .184 firmware and try the OTA again
At the moment there are a lot of battery problems when you downgrade from 2.3.4 if you have any problem follow this or this thread for a possible solution
In general how long did it take for Gingerbreak / superoneclick to do its stuff.
iv been waiting about 5-10 minutes with nothing. :S
punkmonkey1984 said:
In general how long did it take for Gingerbreak / superoneclick to do its stuff.
iv been waiting about 5-10 minutes with nothing. :S
Click to expand...
Click to collapse
can take up to 20 minutes, can't say for sure.
punkmonkey1984 said:
In general how long did it take for Gingerbreak / superoneclick to do its stuff.
iv been waiting about 5-10 minutes with nothing. :S
Click to expand...
Click to collapse
the process of obtaining root took me 3-4 minutes
tRippinthehead said:
the process of obtaining root took me 3-4 minutes
Click to expand...
Click to collapse
Ill try a fresh formatted SD card and try again :S
Did you get "SD card safe to remove" message on the status bar?
punkmonkey1984 said:
Ill try a fresh formatted SD card and try again :S
Did you get "SD card safe to remove" message on the status bar?
Click to expand...
Click to collapse
Yes. It's ok.
punkmonkey1984 said:
Ill try a fresh formatted SD card and try again :S
Did you get "SD card safe to remove" message on the status bar?
Click to expand...
Click to collapse
yes, just reboot and try again
kistigun said:
yes, just reboot and try again
Click to expand...
Click to collapse
But it always says "SD card is saft to remove" i am using the Global customized firmware, but dont think that would be the case in any means, can you provide a link to the one you used kistigun please ?
Im on a fresh install so might as well try the version you used lol.
finds the update, but then I can not update via OTA, the phone says to me - "could not connect to network"
punkmonkey1984 said:
But it always says "SD card is saft to remove" i am using the Global customized firmware, but dont think that would be the case in any means, can you provide a link to the one you used kistigun please ?
Im on a fresh install so might as well try the version you used lol.
Click to expand...
Click to collapse
i've updated the first post with a link to the firmware i've used
kistigun said:
i've updated the first post with a link to the firmware i've used
Click to expand...
Click to collapse
Thanks ill try and report back.
can you unroot using gingerbreak after doing this?
anyone did this work for them?
aeron16 said:
can you unroot using gingerbreak after doing this?
Click to expand...
Click to collapse
why would you want to unroot?
kistigun said:
why would you want to unroot?
Click to expand...
Click to collapse
i have no choice! using GOOD for enterprise on my Arc, and it only allows usage if its on an unrooted device.
thinking of doing the root on 2.3.2 first, OTA update as you mentioned, then while still rooted, remove some of those unused SE Apps to free up ram, before unrooting and installing GOOD for enterprise.
Root access with firmware on first post. global customized didnt work for me. :S
punkmonkey1984 said:
Root access with firmware on first post. global customized didnt work for me. :S
Click to expand...
Click to collapse
weird, may i ask what steps you took?
kistigun said:
weird, may i ask what steps you took?
Click to expand...
Click to collapse
Just flashed the firmware you provided on the OP then installed gingerbreak ran it, and it worked with-in 2 minutes. i did have the USB cable plugged-in, with USB debugging on.
Apart from that, it was a fresh install.
punkmonkey1984 said:
Just flashed the firmware you provided on the OP then installed gingerbreak ran it, and it worked with-in 2 minutes. i did have the USB cable plugged-in, with USB debugging on.
Apart from that, it was a fresh install.
Click to expand...
Click to collapse
and after that you've updated with OTA update to .145?
kistigun said:
and after that you've updated with OTA update to .145?
Click to expand...
Click to collapse
Its booting up now, i will let you know if it has or applied it or not.
Yes .145 with root access and titanium backup working fine,
Had to install busybox from the market, but working never the less.
Related
I bought it just from last week.
ON DEBUG MODE, HAVE SD CARD INCLUDED.
and the following are the system information.
android: 2.2.2
baseband: XMM6160
Kernel: 2.6.32
FRG83G
LG-P970-V10b
Place for buying: Hong Kong
V10b!!!!!!!!!!!!!!!!
it is loading for the following message for an hour and no futher change.
"Rooting
Running exploit
this may take a few minutes!
Devices will reboot on success!"
I found that the post said that it needs to flash an european rom then root it again. But i dont know how to flash another ROM in a unroot system. Please help me. Thanks
Sorry for my poor english
sonicpeter said:
ON DEBUG MODE, HAVE SD CARD INCLUDED.
LG-P970-V10b
it is loading for the following message for an hour and no futher change.
"Rooting
Running exploit
this may take a few minutes!
Devices will reboot on success!"
I found that the post said that it needs to flash an european rom then root it again. But i dont know how to flash another ROM in a unroot system. Please help me. Thanks
Click to expand...
Click to collapse
Gingerbread 1.2? Do you mean GingerBREAK?
Is it ON DEBUG MODE = USB debugging?
And, have you READING the guide at http://forum.xda-developers.com/showthread.php?t=1111771?
redy2006 said:
Gingerbread 1.2? Do you mean GingerBREAK?
Is it ON DEBUG MODE = USB debugging?
And, have you READING the guide at http://forum.xda-developers.com/showthread.php?t=1111771?
Click to expand...
Click to collapse
SORRY, you are right. it is gingerbreak
USB debugging is ticked.
i tried this as well
http://forum.xda-developers.com/showthread.php?t=1171672&page=4
BUT after it reboots, the root status disappear at all. I still cannot root. SAD
the link
http://forum.xda-developers.com/showthread.php?t=1111771
I read few days before. the problem is I can never tried it since I live in Hong Kong, I cannot access to the download site. I can only go to Mediafire. could you upload to it?
sonicpeter said:
the link
http://forum.xda-developers.com/showthread.php?t=1111771
I read few days before. the problem is I can never tried it since I live in Hong Kong, I cannot access to the download site. I can only go to Mediafire. could you upload to it?
Click to expand...
Click to collapse
Your phone are V10b so it should work.
Which one the link can't accessed by you?
redy2006 said:
Your phone are V10b so it should work.
Which one the link can't accessed by you?
Click to expand...
Click to collapse
hello, i just wake up...
this one
http://forum.xda-developers.com/show...1171672&page=4
I did a silly thing. I click "ROOT SHELL"in SOC. after that, i click "ROOT" in SOC. the phone hangs and reboot again and again. I press "UNROOT" in SOC....hangs and reboot automatically. Then, "ROOT SHELL" , hangs and reboot. what's going on?
sonicpeter said:
hello, i just wake up...
this one
http://forum.xda-developers.com/showthread.php?t=1171672&page=4
I did a silly thing. I click "ROOT SHELL"in SOC. after that, i click "ROOT" in SOC. the phone hangs and reboot again and again. I press "UNROOT" in SOC....hangs and reboot automatically. Then, "ROOT SHELL" , hangs and reboot. what's going on?
Click to expand...
Click to collapse
Sorry, I using Gingerbreak, and haven't tried yet SuperOneClick Root. But perhaps you didn't follow the right instruction?
sonicpeter said:
I read few days before. the problem is I can never tried it since I live in Hong Kong, I cannot access to the download site. I can only go to Mediafire. could you upload to it?
Click to expand...
Click to collapse
You said earlier "cannot access to the download site" & "only Mediafire", which one download site? Megaupload, Multiupload, or else?
redy2006 said:
Sorry, I using Gingerbreak, and haven't tried yet SuperOneClick Root. But perhaps you didn't follow the right instruction?
You said earlier "cannot access to the download site" & "only Mediafire", which one download site? Megaupload, Multiupload, or else?
Click to expand...
Click to collapse
i mean i cannot access to megaupload, but i can access to www.mediafire.com
BTW, i downloaded the UPK 3 anyway
however, i use the method in
http://forum.xda-developers.com/showthread.php?t=1111771
i use SOC 2.1.1(Fixed) for both gingerbreak and prenur mode, they hang at step 6 and step 4 respectively. what should i do next. i dont want to give up.
I followed this page to flash my phone,
http://forum.xda-developers.com/showthread.php?t=1111771
but what stock ROM is good for my phone, I dont want to brick it at all.
http://www.android-hilfe.de/root-ha...70-lg-p970-firmwares-update-15-08-2011-a.html
Sorry i think it is quite urgent for me. Please help
Try this it worked for me.
http://forum.xda-developers.com/showpost.php?p=16178337&postcount=34
Thanks. I have. tried it befote.but it still fails
Sent from my LG-P970 using XDA App
My phone is no longer capable of making a USB connection.
Now i want to revert it to stock, i thought i did so but it turns out the stock CWM rom I installed has some mods like root and busybox.
I was wondering if it is possible to flash an older stock rom through cwm and then have the phone auto update to the newest version? I also wonder if OTA updates update the baseband?
tetsuo55 said:
My phone is no longer capable of making a USB connection.
Now i want to revert it to stock, i thought i did so but it turns out the stock CWM rom I installed has some mods like root and busybox.
I was wondering if it is possible to flash an older stock rom through cwm and then have the phone auto update to the newest version? I also wonder if OTA updates update the baseband?
Click to expand...
Click to collapse
so your phone has a usb hardware malfunction\hardware problem and you need to send it to lg for repairs?
skylinegt77 said:
so your phone has a usb hardware malfunction\hardware problem and you need to send it to lg for repairs?
Click to expand...
Click to collapse
Thats what i think will happen, I want to fully revert to stock first though and check that.
You can use this
http://forum.xda-developers.com/showthread.php?t=1617458
Thou it won't be a clean stock and you probably need the stock kernel for your region to be inside or it can be seen.
If connecting the phone with the battery out, vol down pressed and it still doesn't change into the flash mode you can be sure the usb is dead. (provided the cable is 100% working)
it looks like that might work.
Do you know if Q is older than R and if my phone will auto-update to R?
Status update:
* Manually installed CWM using terminal
* Followed Kag's link and installed that ROM
Rom appears to be fully stock, but I'm not getting an OTA update to v20r.
I need to be on r because q was never officially released, at least not in my country so my phone should not have it.
Any ideas for getting it updated?
Try this thread : http://forum.xda-developers.com/showthread.php?t=1591801
nicorb said:
Try this thread : http://forum.xda-developers.com/showthread.php?t=1591801
Click to expand...
Click to collapse
That one has been hacked and rooted unfortunately
use version 20q the clean one you can find it in android development
tetsuo55 said:
That one has been hacked and rooted unfortunately
Click to expand...
Click to collapse
Oh ,ok then . Can try this one : http://forum.xda-developers.com/showthread.php?t=1609494 .
...And quiet an easy task too.
I managed to create 2 cmw zips myself together with the one posted here : http://forum.xda-developers.com/showthread.php?t=1621016 and been using ever since .
All credits go to the devs ofc.
My 2c
I used those links to flash 10a.
But it still says no OTA updates are available.
Could it be due to CWM?
tetsuo55 said:
I used those links to flash 10a.
But it still says no OTA updates are available.
Could it be due to CWM?
Click to expand...
Click to collapse
That should be due to LG server's load . Guess u could wait for it to appear, eventually, or just create a new 20R.
It looks like it's blocked on the software level and will only let you check once ever X period?
Its telling me that there is no update available without even trying to connect, the answer comes so fast.
Yes...i believe i once read about that somewhere in here.
Which baseband are you on now?
218
Thats a bugger..sorry .Dont think theres another way to update bb except from flashing.
About OTA ,doesnt work for any country.
Ill b checking on this one though as it interests me too.
everytime I get a software update of jellybean like when i had got 4.3 or the latest one which is another update ...i cant install it via OTA..have to manually download always..!! any reason for that?? why i cant install??? i download the update, start the installation,phone reboots and then starts normally and then a error that cannot install this software something..
Why no one replies me i need help plz...!!!
i cant update anything from OTA...anyone can give me reason??
Im sure, you must have Unlocked bootloader or root in your device
ronak123456 said:
everytime I get a software update of jellybean like when i had got 4.3 or the latest one which is another update ...i cant install it via OTA..have to manually download always..!! any reason for that?? why i cant install??? i download the update, start the installation,phone reboots and then starts normally and then a error that cannot install this software something..
Why no one replies me i need help plz...!!!
i cant update anything from OTA...anyone can give me reason??
Click to expand...
Click to collapse
try manually flashing via flashtool
uncheck the wipe data box
ronak123456 said:
everytime I get a software update of jellybean like when i had got 4.3 or the latest one which is another update ...i cant install it via OTA..have to manually download always..!! any reason for that?? why i cant install??? i download the update, start the installation,phone reboots and then starts normally and then a error that cannot install this software something..
Why no one replies me i need help plz...!!!
i cant update anything from OTA...anyone can give me reason??
Click to expand...
Click to collapse
Can you give us little more informations? Did you root your phone? Did you unlock your bootloader?
seriestv said:
Im sure, you must have Unlocked bootloader or root in your device
Click to expand...
Click to collapse
androidtweaker1 said:
try manually flashing via flashtool
uncheck the wipe data box
Click to expand...
Click to collapse
Guys, he speaks about official OTA updates (Over The Air), did you read OP first?
Sent from my C6603 using XDA Free mobile app
I understand, but this happened to me before, it was because I have rooted my device. Try installing from PC with PC Companion
I unlocked my bootloader without saving the TA partition, and because of that I cannot to OTA updates.
SXZdabbler said:
I unlocked my bootloader without saving the TA partition, and because of that I cannot to OTA updates.
Click to expand...
Click to collapse
YES!
Whenever I used to try to update my phone from 4.4.2 to 4.4.4, my phone would say the installation was interrupted, and kies would say my firmware is up to date. At the time I didnt care much, but now that 5.0 is out, I want to figure this out. When I got my phone in September I flashed the original software to root, then reflashed 4.4.2. Since then I unrooted and restores my phone to try and resolve the problem, but neither have helped. Does anyone know a solution? If any more information is needed I can definitely provide it.
SyslogPlease said:
Whenever I used to try to update my phone from 4.4.2 to 4.4.4, my phone would say the installation was interrupted, and kies would say my firmware is up to date. At the time I didnt care much, but now that 5.0 is out, I want to figure this out. When I got my phone in September I flashed the original software to root, then reflashed 4.4.2. Since then I unrooted and restores my phone to try and resolve the problem, but neither have helped. Does anyone know a solution? If any more information is needed I can definitely provide it.
Click to expand...
Click to collapse
I have the same problem on my side. I haven't even ever rooted the phone. Always the same error. I have posted this issue here, lets see if some one replies.
http://forum.xda-developers.com/att...ipop-coming-soon-t3030721/page18#post59986756
SyslogPlease said:
Whenever I used to try to update my phone from 4.4.2 to 4.4.4, my phone would say the installation was interrupted, and kies would say my firmware is up to date. At the time I didnt care much, but now that 5.0 is out, I want to figure this out. When I got my phone in September I flashed the original software to root, then reflashed 4.4.2. Since then I unrooted and restores my phone to try and resolve the problem, but neither have helped. Does anyone know a solution? If any more information is needed I can definitely provide it.
Click to expand...
Click to collapse
I had the same issue I used the files from this thread http://forum.xda-developers.com/att-galaxy-s5/general/how-to-root-g900aucu2aoa1-4-4-4-2-3-2015-t3021120 under troubleshooting I first downloaded and then flashed the file to downgrade to nce. Then downloaded the nce to ng3 ota file and sideloaded and flashed in stock recovery after that I have been able to download and update via the ota. hope this helps
doing that process
I can manage the first flash but I'm not really that good at this so how would I go about doing that second flash?
SyslogPlease said:
I can manage the first flash but I'm not really that good at this so how would I go about doing that second flash?
Click to expand...
Click to collapse
You need to place the update file on your ext sdcard then boot into stock recovery and update from ext sdcard.
wildcard30 said:
I had the same issue I used the files from this thread http://forum.xda-developers.com/att-galaxy-s5/general/how-to-root-g900aucu2aoa1-4-4-4-2-3-2015-t3021120 under troubleshooting I first downloaded and then flashed the file to downgrade to nce. Then downloaded the nce to ng3 ota file and sideloaded and flashed in stock recovery after that I have been able to download and update via the ota. hope this helps
Click to expand...
Click to collapse
Last questions are how to go into stock recovery and once I do that its all normal again?
How to boot Samsung Galaxy S5 Recovery Mode:
Power off your device completely.
Boot recovery mode by pressing and holding Volume Up, Home and Power, all at the same time.
Release all buttons when the Galaxy S5 screen flickers and the main Recovery screen will appear.
Once I updated to ng3 through the stock recovery I was able to take the ota updates for 4.4.4 and 5.0 normally.
Thanks, I'm going to try this now. Hope I don't lose any data!
SyslogPlease said:
Thanks, I'm going to try this now. Hope I don't lose any data!
Click to expand...
Click to collapse
you will when you flash through stock recovery.
Back up your data
It all went smoothly and I can update again! Thanks so much!
You are welcome.
I tried the instructions in that thread but I get an error when I try to install the first update.
The error mentions unexpected contents
What I did is copy the file to the SD card, booted into recovery and then selected install from external
What did I do wrong?
Hi there. Thank you so much for this. Question is that I am already on NG3 and I still dont have the update option! Would I need to go to OA1 one? Which I believe is 4.4.4? Then get the update for lollipop? A little confusion. And if that is the case, where can I get the file thing for OA1?
juliusgy said:
I tried the instructions in that thread but I get an error when I try to install the first update.
The error mentions unexpected contents
What I did is copy the file to the SD card, booted into recovery and then selected install from external
What did I do wrong?
Click to expand...
Click to collapse
I have the same problem, except I used adb sidoload
juliusgy said:
I tried the instructions in that thread but I get an error when I try to install the first update.
The error mentions unexpected contents
What I did is copy the file to the SD card, booted into recovery and then selected install from external
What did I do wrong?
Click to expand...
Click to collapse
Did you do the downgrade to NCE through Odin first?
Yes I did. I tried it again and I see that I'm on NG3 now, I guess I have to do the other one Now.
juliusgy said:
Yes I did. I tried it again and I see that I'm on NG3 now, I guess I have to do the other one Now.
Click to expand...
Click to collapse
Once I was on NG3 I was able to upgrade using the OTA.
wildcard30 said:
Once I was on NG3 I was able to upgrade using the OTA.
Click to expand...
Click to collapse
I am on NG3 and I am not getting any OTA for OA1 which is 4.4.4! I need that to go to 5.0? How can I manually update it? Dont care for root and other gimmicks. Completely stock!
ThuGzta said:
I am on NG3 and I am not getting any OTA for OA1 which is 4.4.4! I need that to go to 5.0? How can I manually update it? Dont care for root and other gimmicks. Completely stock!
Click to expand...
Click to collapse
You could always try sideloading the NG3 to OA1 update then flashing through stock recovery from the other thread I mentioned.
Why can't my phone find any OTA?It always says "Current Software up to date",but it's not.It had 5.0.2 until last month,when i flashed G890AUCU3BOJE with Odin.OTA update seems to be impossible with this phone.Now i see that there's another update and the phone still says it's up to date.Is there any solution for this?
You're using an AT&T phone in Romania, correct? If so, you're not on the AT&T network and will have to use ODIN to update your firmware. There are guides on the web for using ODIN. Once you have the latest released AT&T firmware, you can sideload the newest unreleased Marshmallow image as discussed here: http://forum.xda-developers.com/showthread.php?t=3372114. Good luck!
raduch said:
Why can't my phone find any OTA?It always says "Current Software up to date",but it's not.It had 5.0.2 until last month,when i flashed G890AUCU3BOJE with Odin.OTA update seems to be impossible with this phone.Now i see that there's another update and the phone still says it's up to date.Is there any solution for this?
Click to expand...
Click to collapse
Use these files to get to the latest 5.1.1 release.
U3BOJE --> U3BPB3
https://xdmd.sl.attcompute.com/agents/48698/1488/SS-G890AUCU3BOJE-to-U3BPB3-UP
U3BPB3 --> S3BPCG
https://xdmd.sl.attcompute.com/agents/48698/1488/SS-G890AUCU3BPB3-to-S3BPCG-UP
Thank you both for the fast reply.
Raduch32 said:
Thank you both for the fast reply.
Click to expand...
Click to collapse
No problem. There was a typo in the first link. Fixed it now.
archie87 said:
Use these files to get to the latest 5.1.1 release.
U3BOJE --> U3BPB3
https://xdmd.sl.attcompute.com/agents/48698/1488/SS-G890AUCU3BOJE-to-U3BPB3-UP
U3BPB3 --> S3BPCG
https://xdmd.sl.attcompute.com/agent...3-to-S3BPCG-UP
Click to expand...
Click to collapse
The last link doesn't work,it asks me for administrator and password
Raduch32 said:
The last link doesn't work,it asks me for administrator and password
Click to expand...
Click to collapse
Ugh. It's still early morning here.
Let's start over.
U3BOJE --> U3BPB3
https://xdmd.sl.attcompute.com/agents/48698/1488/SS-G890AUCU3BOJE-to-U3BPB3-UP
U3BPB3 --> S3BPCG
https://xdmd.sl.attcompute.com/agents/48698/1488/SS-G890AUCU3BPB3-to-S3BPCG-UP
archie87 said:
Ugh. It's still early morning here.
Let's start over.
U3BOJE --> U3BPB3
https://xdmd.sl.attcompute.com/agents/48698/1488/SS-G890AUCU3BOJE-to-U3BPB3-UP
U3BPB3 --> S3BPCG
https://xdmd.sl.attcompute.com/agents/48698/1488/SS-G890AUCU3BPB3-to-S3BPCG-UP
Click to expand...
Click to collapse
So now i have to flash both with ODIN,like any other update? Like on this page: http://forum.xda-developers.com/gal...e/downloading-flashing-att-galaxy-s6-t3260744 ?
Raduch32 said:
So now i have to flash both with ODIN,like any other update? Like on this page: http://forum.xda-developers.com/gal...e/downloading-flashing-att-galaxy-s6-t3260744 ?
Click to expand...
Click to collapse
These files you have to sideload with ADB. This method wipes everything so backup your important data.
archie87 said:
These files you have to sideload with ADB. This method wipes everything so backup your important data.
Click to expand...
Click to collapse
I have no idea how to do this,but i will try to find some instructions.I never used Odin or anything else,until last month .Thanks
Raduch32 said:
I have no idea how to do this,but i will try to find some instructions.I never used Odin or anything else,until last month .Thanks
Click to expand...
Click to collapse
Follow these instructions but use the files I provided above.
http://forum.xda-developers.com/att-galaxy-s6/general/android-6-0-1-g920aucu3cpc2-att-t3371227
archie87 said:
Follow these instructions but use the files I provided above.
http://forum.xda-developers.com/att-galaxy-s6/general/android-6-0-1-g920aucu3cpc2-att-t3371227
Click to expand...
Click to collapse
I dont like the fact that i have to wipe all data on my phone,so i would like to update with Odin,if it's possible.Is there any way to do this with Odin?
Raduch32 said:
I dont like the fact that i have to wipe all data on my phone,so i would like to update with Odin,if it's possible.Is there any way to do this with Odin?
Click to expand...
Click to collapse
As far as I know there aren't any ODIN files.
Raduch32 said:
I dont like the fact that i have to wipe all data on my phone,so i would like to update with Odin,if it's possible.Is there any way to do this with Odin?
Click to expand...
Click to collapse
I recommend downloading Samsung SmartSwitch (http://www.samsung.com/us/smart-switch/assets/downloads/Smart Switch PC_setup.exe) to your PC. Then back up your phone prior to sideloading the updates. Then your final step would be to restore your backup using SmartSwitch. If you use an alternate launcher like Nova or Apex, you can back up and restore your launcher layout, too.
h3lluvaninjuhneer said:
You're using an AT&T phone in Romania, correct? If so, you're not on the AT&T network and will have to use ODIN to update your firmware. There are guides on the web for using ODIN. Once you have the latest released AT&T firmware, you can sideload the newest unreleased Marshmallow image as discussed here: http://forum.xda-developers.com/showthread.php?t=3372114. Good luck!
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I understand the fact that the phone can't connect to the AT&T server from Romania,but why can't it find any update via Smart Switch?Smart Switch has nothing to do with the AT&T server.