[Completed] Galaxy S3- "System Software Not Authorized By VZW" Error At Boot - XDA Assist

Verizon gs3 will not boot into recovery
Hi, I recently flashed twrp on my verizon gs3. I trieed rebooting into recovery, but it said system software is not authorized by vzw. Every time I tried to boot, it just says this. I have to enter download mode every time I do this to reboot. Why is this happening? I just want to flash cyanogenmod 12.1. Twrp is compatible. Please help! I hate touchwiz

Hi, thank you for using XDA Assit. I don't know for sure on the S3 but many Samsung phones no loner let you flash a custom recovery like twrp or cwm. You most likely will need to return your device to stock using Odin. Please see your device's specific forum for more information here, http://forum.xda-developers.com/galaxy-s3-verizon I would also look for information on installing custom recoveries in that forum. After you've looked and if you still have questions ask here, http://forum.xda-developers.com/galaxy-s3-verizon/help

Thread closed.

Related

[Completed] [Q] My Galaxy s4 active Bricked

Okay So, I had rooted my s4 Active i537 using towel root and then installed safestrap to unlock the bootloader and get twrp recovery , everything went good till i decided to flash a stock lollipop rom then i remembered that i forgot to backup then i also had forgot to turn on debugging , so then i bricked the phone , i can get into download mode and twrp and stock recovery but everytime i try to flash to stock it flashes but when its booting up safestrap comes up and dont let even if i hit continue it either brings me to stock or twrp and need to know how to reset it back fully with no safestrap i cant sideload to even see if adb will work bc an error pops up and says "Libc.SO Needed
Please help me !:crying:
Hi, thank you for using XDA Assist. The purpose of XDA Assist is to point you in the right direction on XDA. I see you've posted this question in other threads of XDA which are the right areas to post. The only other suggestion I can give you is to flash the stock firmware in oding. Please see this, http://forum.xda-developers.com/galaxy-s4-active/general/galaxy-s4-active-firmware-guide-t2892445
Since you've already posted your question in the right areas of XDA I'm going to close this thread.

[Completed] [Q] Galaxy S3 - Not booting into CWM after install

Hey guys, I'm having a pretty annoying issue with my Galaxy S3 (Verizon variant), and even though I'm pretty sure I know what the problem is, and that I screwed myself, I wanna know if there's another answer to what's going on.
As the title of this thing says, I tried installing Clockworkmod Recovery on my GS3, but I did it via the ROM Manager app, since I'd totally forgotten how to do it on my computer, and Odin 3.09 wouldn't use the .tar or .img files I tried using to install the damn thing (still haven't figured that out).
Anyway, I flashed the CWM file on the phone, installed it, and whenever I try booting into recovery, it says some unauthorized software is on the phone, and I need to take it to a Verizon store.
I'm pretty sure Verizon locked us out of our bootloader, and we need to unlock it before we can make mods like this, but, being that I haven't had a GS3 for two years, I didn't know that, and didn't look it up, like a n00b.
So, I think I just partially bricked my phone. So, yeah. That sucks.
Is there any way around this? Is there a way to revert back to the stock recovery mode, so I can try doing this whole thing again?
Some phone info:
It's the Verizon, I535 variant
Running 4.4.2, Kitkat
Build number: KOT49H.I535VRUDNE1
Any help would be appreciated.
Hi, thank you for using XDA Assist. The best place to look for answers and ask questions is in your device specific forum. Please see this,http://forum.xda-developers.com/verizon-lg-g3
Thread closed.

[Completed] Galaxy S5 Active (SM-G870A) stuck in bootloop!

I don't really know why my phone is stuck in a bootloop to begin with. I've tried EVERYTHING I could possibly think of!
Here's What I've tried :
WipeData/Factory Reset and I also wiped Cache.
I tried to use ODIN to flash the original stock ROM to the device but the bootloader is locked so its impossible to flash any ROM to the devices (Even if it's official).
I tried to apply the Lollipop 5.0 update in recovery using a external SD card.
I tried using ADB sideload.
(Bonus points if you can give me away to unlock the bootloader! because i'll know what to do if it's unlocked.)
So...If anyone has suggestions, I'll happily take any!
Also Please! Leave links so I have quick access!
Hi,
I can't find a relevant thread on your device and issue, but you can ask for help here,
http://forum.xda-developers.com/android/help
Good luck!

[Completed] Samsung Galaxy S6 stuck in boot loop - mistakenly installed two custom recoveries.

My Samsung Galaxy S6 running Lollipop 5.1.1 is stuck in a boot loop after I installed Clockwork whilst I had TWRP installed. I can't access either recovery mode. I can only access download mode but for some reason, Odin keeps crashing when I try to install the Stock ROM file. Hoping there's a better way. Thanks in advance.
Hi, and thanks for using XDA Assist.
First thing first. It wasn't a mistake. That is how you install a new custom recovery over the old. Flashing a new one overwrites the old one.
I am going to have this thread moved to the S6 Q&A forum, where there will be experts with the S6 that can help you further.
Good luck!
As Odin fixed your issue, this thread is closed.
If you have further questions, you can post them in the help section for your device
http://forum.xda-developers.com/galaxy-s6/help
Kudos on fixing your issue and welcome to XDA

Custom Rom

Any one who has a custom rom for samsung sm_920r4? please help.............
Help with? You need to be more specific for the experienced community to help!
Sent from my SM-G920F using Tapatalk
jr866gooner said:
Help with? You need to be more specific for the experienced community to help!
Sent from my SM-G920F using Tapatalk
Click to expand...
Click to collapse
ok, Thanks for the replay. To be specific I need a custom rom for my samsung (SM-G920R4) because I need to flush using Twrp 2.8.7.0 but I could not find a custom rom for my specific rom. What happened was my I just bought my phone from a dude who I met on sell and buy viber group here in Ethiopia (big mistake I know) and it worked fine for a day or so and then I logged my google account. After that my phone run out of battery so I plugged it and turn my phone on and when I did this I got frp locked it just bootloops showing me "custom binary blocked by frp lock". I took it to some phone fix guy and he managed to turn the frp lock off but it need to be flush he and also I tried to flush it using stock firmware with odin but that didn't work so I saw on xda thread that some guy was able to fix the same issue as me by using custom rom here is the link to that thread : http://forum.xda-developers.com/galaxy-s6/help/help-sw-rev-check-fail-device-3-binary-2-t3218678
But, I could not find a custom rom for my samsung model number SM-G920R4 us cellular, So I am begging this community of developers to save my phone if they have a custom rom for my model number? I am student and I can't offered to buy a new phone. Please help. Thanks for taking the time and reading this.
No problem. This should be perfect for a development member to pick up and assist.
Sent from my SM-G920F using Tapatalk
bump. I mean, help? Same issue.
If the issue is you need a custom rom for that variant the op has then unfortunately you're out of luck, no one develops for that variant sadly.
Samsung Galaxy S6 Phone Boot Issue
Hi,
I'm new to XDA developers and pretty much a noob in Android related stuff, I have a Samsung Galaxy S6 with TWRP installed. Last week it went into a bootloop or something and wouldn't go past the "Samsung" screen. I wiped the caches but it didn't work, did a Factory reset but no good either, then used ODIN to install a Custom ROM in it but ODIN gave errors and that didn't work either. Basically, there was an error displayed in TWRP "No OS Installed. Are you sure you want to reboot?" I tried solving this following a Youtube tutorial. The guy flashed a Cyanogenmod in his phone using TWRP, I tried doing the same but TWRP gave an error " could not find meta-inf/com/google/android/update-binary in the ZIP file" . I extracted that file on my PC and it had only an md5 file in it"
Well I've been searching the internet a lot but haven't been able to find any S6 (920-F) Custom ROM which has a ZIP file that contains The META-INF folder (I'm not sure what it does) but I'll be really grateful if someone sends me a download link for it.
Or if there's some other solution for a problem then please help me out.
Thanks

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