solved - can't boot after flashing firmware and modem - OnePlus 3 Questions & Answers

I was on Oos 3.1.2 And tried flashing the firware and modem of 3.5.5. Ended up being unable to restart (black screen) or get into recovery (black screen again). So I flashed official one plus recovery, Now I could get into recovery. My plan was to download stock and then flash that.
After I downloaded stock, I tried to boot the device and was greeted with a low battery warning, knowing that I couldn't charge it any other way, I tried to boot into recovery any way, Got as far as the selection screen before battery ran out and the phone died.
Now it doesn't charge when plugged in either. So how do I charge this device?
Edit : flashed TWRP 3.2.2-22 got into recovery. Flashed 3.1.2 firmware and modem. Restored nandroid backup and booted into os

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[Q] Bricked I747M :(

My I747M started acting strange and failing on installs from the play store. It had twrp 2.6.0.0 and cm10.2 on it.
I ran a nand restore and it didnt fix the issue, so I rebooted into twrp recovery mode and went to wipe everything except external sd since thats where my downloads are. It started then the phone rebooted instantly.
Now all i can get is it will boot to download mode, but oden never shows that its writing anything to the phone, the % stays at zero, if i unhook the usb cable it just says it couldn't detect the phone no matter how long I wait. kies does the exact same thing.
If I try to boot back into recovery mode in twrp it just shows the twrp screen then resets. If I try a normal boot it resets at the cm boot screen just before the animation screen.
is it bricked for good?
Update: I downloaded twrp and flashed using odin. thats the only thing that will flash in download mode, from twrp I can flash a rom and it boots up and the phone works.
In download mode kies see's but cant connect to my phone for a factory restore. odin see's and can flash but flashing anything other than the recovery just hangs.
In twrp when I try to restore a nandroid backup of rooted 4.1.2 touchwiz it just crashes and reboots the phone and I start with the original post issues.

Device always booting into TWRP 2.6.30

I wanted to share my somewhat scary experience and how I resolved it.
It started when one day I wanted to flash an updated rom using TWRP so I rebooted into recovery and TWRP all of a sudden asked for a password.
To resolve the issue I had to ODIN an older version of TWRP, fix permissions and then reinstall 2.6.30.
This got me back into TWRP and I thought all was resolved.
I then proceeded proceeded to wipe everything and even format to ensure the device was clean. I flashed the rom w/o issue and it booted up fine. After I got it all running nicely I rebooted into TWRP to make a backup. The backup was successful.
I then rebooted to system (after backup completed) and the my phone froze on the loading screen. I pulled the battery and restarted the phone and it booted into recovery mode.
I thought maybe there was a permissions issue to I did a fix permissions and rebooted to system via TWRP. Phone still froze when booting. I pulled the battery again and again it powered up into recovery mode again. I decided to wipe everything again and install an older backup that was proven to be good (which I restored previously w/o issue). It restored and rebooted fine. Then I turned off the phone and turned it back on and the damn phone booted into recovery again @#[email protected]# Rebooting to system in TWRP causes the phone to freeze, Cold booting the device boots it into recovery. So I was essentially stuck once I installed anything if I ever had to reboot the phone.
The only solution that worked was to take the stock image (included stock recovery) and root.zip and flash that to the phone. After flashing it I had to go into the stock recovery as the phone still didn't boot properly. I didn't pay much attention but the stock recovery brought up a number of errors but I was able to chose an option (sorry I don't recall what) to fix them.
After it was fixed the phone booted up w/o issue and also rebooted w/o issue. All appeared to be back to normal.
So I went and flashed TWRP again through ODIN and restored my backup and all is back to normal.
As an FYI .. I grabbed the stock image from here :
http://forum.xda-developers.com/showthread.php?t=2363882

Stuck in TWRP Boot Loop

What I was trying to do: I have a stock 4.4.2 AT&T GS3 that I wanted to root, and then install Cyanogen Mod.
What I did: I flashed Auto-Root with Odin 3.10, restarted and then flashed TWRP 2.8. I then booted to TWRP and attempted to wipe/format the phone but it showed some errors along the way, I think it was something having to do being unable to mount the SD card. I then rebooted into recovery and flashed CM12 and slim Google Apps zip. When it was flashing both I got a string of errors but it said it was successful.
Where I'm at now: When I try turning the phone on (without holding any buttons down) it attempts to boot straight to the TWRP but gets stuck at the blue TeamWin screen. I'm able to get to download mode by holding down the appropriate buttons. I'm wondering if there's anything I can flash from Odin to resolve this.
I also realized I have unbacked up photos on the device, I don't think the format was successful, is there any way to recover those?
Thanks
To recover the pictures, try re-installing TWRP, boot into TWRP, and mount the partitions. Connect the phone to your computer and copy your pictures.
TWRP
I have had this happen before. Try using Odin to flash an older version of TWRP, uncheck reboot after flash and then when it is done, do a battery pull. This has gotten me back into a working TWRP to restore my previous setup. Note: You made need to go back to 2.6. Once you have gotten back up and running flash to the current TWRP with the app.

[SM-P607] TWRP install issue (recovery boot loop)

Hi all, looking for some help here.
I picked up a pair of P607's to install Lineage on.
1. I flashed (via ODIN) the latest Samsung factory build from Sam Mobile (Now running 5.1.1).
2. Grabbed the latest TWRP tar file (twrp-3.1.1-0-lt03ltexx.img.tar)
3. Flashed TWRP via ODIN (AP button, selected the twrp tar, unchecked auto-reboot)
4. Held power button and turned off.
5. Powered back on and Held the [home - vol up - pwr] to boot into recovery to check TWRP.... and..... Recovery Boot Loop.
Odly enough, if I get it back into download mode and just boot it normally, it will boot fine back into the OS (stock rom, not lineage yet)
I can recover back to the factory by re-flashing the stock rom again, so it's recoverable.
I've tried with two different 3.1 TWRP versions now, twrp-3.1.0-0-lt03ltexx.img.tar and twrp-3.1.1-0-lt03ltexx.img.tar, both do the same thing.
Any ideas on this one?
There's definitely some odd issues with TWRP for this device...
3.1.1 Failed
3.1.0 Failed
3.0.2 Worked and boots into TWRP
Would be nice to get the latest TWRP working for this device, anyone interested in logs from the 3.1.0 or 3.1.1 attempts?
how did you get out of the boot loop? i cant seem to get back in to download mode
XnoteX said:
how did you get out of the boot loop? i cant seem to get back in to download mode
Click to expand...
Click to collapse
Today I got the same bootloop problem.
Impossible to enter the Download-Mode.
I removed carefully the Backcover and disconnect the battery plug for some seconds.
On the next start I´m holding down Vol- and entered Download Mode.
With Odin I flashed TWRP 3.0.2.0 (same version like before) and its working again without loosing the installed programs.
I think you can also wait until the battery is empty .....
Hope it helps a bit to recover a great tablet.
sillysuliman said:
There's definitely some odd issues with TWRP for this device...
3.1.1 Failed
3.1.0 Failed
3.0.2 Worked and boots into TWRP
Would be nice to get the latest TWRP working for this device, anyone interested in logs from the 3.1.0 or 3.1.1 attempts?
Click to expand...
Click to collapse
Most ROMs here install fine with 3.0.2. That's what I am using on my 607T.

help [OP3] boot doesn't finish

Hello,
I was running Stock 9.0.6 unrooted, stock recovery. bootloader locked.
Since yesterday phone freezes and when restarting doesn't finish the boot (sometimes stucks in the red logo, sometimes goes over it but black screen)
I tried to flash the stock rom from OP website by sideload, but same result
I cannot flash twrp because of the locked bootloader.
Anyone has a link for a stock rom with android 8? or any other suggestion??
Thank you
Beer-
to make it clear, I have booted in recovery and tried to erase data and cache multiple times, but same results
https://androidfilehost.com/?fid=11410963190603910546
Here is the link for unbrick tool oxygen is 5.0.8 it has no password on the file
have you got it sorted

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