Phone bootloops after flashing ROM, but never on stock? - G3 Q&A, Help & Troubleshooting

So I'm trying to install some ROMs (RR 7.1, Fulmics 6.6) via TWRP but neither will work. I'll just bootloop.
Failing that, I try to flash stock [30J]. And Bob's your uncle, it works. But WIFI doesn't work, and Play Store crashes when I click on it. Anyone know what's happening? Before all this my G3 f'd itself and bootlooped. Through the past week I've been trying to flash stock firmware, but it just goes back to the WIFI problem.

Try updating your TWRP.
Sent from my phone

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Help Needed With Flashing After Bootloop

I recently flashed CM12.1 on my S3. I was running rooted stockmod 4.3. Everthing went fine. I made a nandroid first. I was able to flash back to with my nandroid and then back to a nandroid of CM12. I tried to flash back again and booted into Touchwiz ROM with no Google services and most of many (too) many apps gone. I then tried to flash back to my CM12 Lollipop nandroid in recovery and got stuck in a bootloop. I could not get past the the Teamwin screen.
Even though my USB port is dicey I was able to use ODIN on my pc to flash back to stockmod_root 66. I then installed TWRP using TWRP manager on device. This went fine.
I then tried to flash back to CM12 in recovery using my nanback but the phone reboots after a few seconds with any task, even just wiping partitions. I am also now getting an error message after trying to load the same stockmod I used successfully earlier. The message is in Chinese so I have no idea what it says.
Any hope here?
Edit: I managed to load the stock image in ODIN and it is flashing now. Still do not understand what did wrong so as not to be able to restore my nan back of CM12. Was there a problem with my installation of TWRP with TWRP manager?
Thanks

Need expert help getting lollipop working. Tried everything.

Hi all. I've got a Sprint Note 2 that's not active with any plan and I just want to use it as an extra mini tablet.
I want to use it for music and videos as well as for making music with Caustic. For this to work with low latency I need lollipop.
Previously the phone was rooted and was running twrp and various kitkat ROMs.
I found a version of cyanide ROM that's a tablet style rom with no mobile data or calling enable. Wifi only.
plus therebwas this Shift package that would enablenetflix to work. Great.
So i downloaded cyanide tablet version, shift and gapps. Using twrp i did a full wipe and flashed the rom and shift but gapps wouldnt flash.
So for the time being I gave up on gapps (though I will definitely need the play store to load my purchased apps.
When I tried to boot the phone it just hung at the bootup animation.
Someone suggested I use philz recvery. I flashed philz with odin and booted into recovery. Sure enough philz was working. So then i wiped again and tried to flash the cyanide rom again. This time not even worrying about gapps until i could verify that the rom would flash boot up.
Again it got stuck in the boot animation screen. I tried flashing it with odin instead of from the microsd card. Again stuck in the boot animation.
I reinstalled twrp and tried flashing with that again. Same issue.
So then I tried cw12.1. Even though netflix doesn't work on it last I checked. I wiped and flashed and again stuck in boot animation. Though this time its the cm animation. So i know the rom was at least flashed.
This i thought perhaps somehow i lost root so none of these kernels would load. So i downloaded cf autoroot and flashed with odin which said it was successful. Phone rebooted...again stuck at bootup animation.
So basically the phone is bricked. What should I do? Install stock rom with stock recovery, then root and wipe and install cyanide? Or should NOT wippe and install it? How shoud I root it, with what methos and when during the flashing sequence. Ive tried every combination I could think of

issues trying to root after restoring with flashtools

ok so I have a vs985 that was rooted with twrp and was running stock 4.4.2 10b. Ive been on it for a while and wanted to update. went though my usually backup routine, then updated base band to 23c installed cyanogenmod 12.1 then went to install gapps but when it started it rebooted back in to twrp so I tried again with no luck same thing, so I figured I'd boot the phone and go out and grab a new download reboot into recovery and install gapps, but after rebooting wasn't able to boot back into twrp. for some reason the button combination wouldn't work nor an apps I downloaded from the browser as I didn't have play store. either way I was able to get into something that allowed for a safe mode and reboot but that was all. so I said ok I use recovery tool to flash 10b root then install twrp then same as before update modem, cyanogenmod then gapps, but after going back to 10b I was not able to get root using stump root as I had before. every time I tried loading the app and I got an error saying something about phasing and everything I tried I was able to get it to load. so I thought maybe I could run some updates and try and root from other methods and so far no luck. so I'm currently on 5.0.1 and still cant root this methods like lg one click root so others. any ideas why this is happening? I don't mind going back to 4.4.2 10b to get root but I've had no luck with the multiply stump root or others I've tried.
thanks
Andrew

Bootloop on installing AOSP based ROMs

Hi.
I had an issue with my phone and I flashed a stock LG KDZ to go back to stock before sending my phone to LG.
Now, after having re-rooted my phone, via the 1-Click Root tool for LL, I can only install stock based ROMs such as Fulmics 5.1, but if I try to install an AOSP ROM such as Exodus/Candy6/RR/etc, I get a soft boot loop after rebooting from TWRP..
Using latest 3.0.2-0 TWRP recovery.
Anyone got any ideas?
Note, I was running AOSP based ROMs for the last year without issue..
I am having this same issue. For CM13 and Dirty Unicorns. Can someone help?

Problem Restoring Stock on SM-T705

I am trying to re-install STOCK ROM on SM-T705. I was previously running Lineage OS 14 with TWRP Recovery.
Downloaded the Stock ROM and used ODIN to reinstall the ROM. On reboot, it first showed the android Logo restoring OS and then on reboot, is stuck on Samsung logo. The tablet vibrates periodically, but nothing happens. Have waited for couple of hours.
I encountered similar problem last time when installing Lineage OS. At that time, I got around this by flashing TWRP via ODIN. But I do want to go to Stock Recovery.
I can get the tablet back into ODIN mode.
Any help is most appreciated. My overall experience in installing ROM and Rooting, etc is very limited.
praveenvj said:
I am trying to re-install STOCK ROM on SM-T705. I was previously running Lineage OS 14 with TWRP Recovery.
Downloaded the Stock ROM and used ODIN to reinstall the ROM. On reboot, it first showed the android Logo restoring OS and then on reboot, is stuck on Samsung logo. The tablet vibrates periodically, but nothing happens. Have waited for couple of hours.
I encountered similar problem last time when installing Lineage OS. At that time, I got around this by flashing TWRP via ODIN. But I do want to go to Stock Recovery.
I can get the tablet back into ODIN mode.
Any help is most appreciated. My overall experience in installing ROM and Rooting, etc is very limited.
Click to expand...
Click to collapse
My SM-T700 was in same situation but i was able to fix it by re-flashing twrp then doing full data format, then after that format the cache partitions, then odin flash the factory firmware.
After doing that booted to the factory setup wizard. Hope this helps you out of your situation
Issue resolved. Please close the thread
I managed to fix the issue. I tried flashing another ROM from Sammobile and lower version of ODIN and did the patching and it started working. I guess had a bad ROM downloaded from SAMMOBILE.
This thread can be closed.

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