G2 wont turn on - G2 Q&A, Help & Troubleshooting

I wrongly flashed color os 2.0 of one plus one over stock 4.4.2 it flashed successfully,but after that my phone wont turn on even i cant enter download or recovery mode.no sign of life when connected to charger.kindly help me please...........

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[Q] Help my s4 not booting! Even download mode freezes

I have galaxy s4 i9500 running arrow rom v11 which is android 4.3
And Presus kernel. No changes have been made everything (including CPU) is stock. My phone is working for a few months and suddenly yesterday while I was texting it turned and reeboted. Since then it reebots itself automatically whenever I insert battery. Plus it stuck on samsung logo and makes boot loops. It doesn't let me enter recovery mode and when I go to download mode, it says warning then I click volum up(continue) and then it freezes for 2 secs and reebots itself(I can't see the download mode.. Is it normal? Why?) I don't know what to do what happened plz help
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darixtorento said:
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Click to expand...
Click to collapse
remove battery for a while
boot in DL mode and see
what to do?? helpppppp
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darixtorento said:
I have galaxy s4 i9500 running arrow rom v11 which is android 4.3
And Presus kernel. No changes have been made everything (including CPU) is stock. My phone is working for a few months and suddenly yesterday while I was texting it turned and reeboted. Since then it reebots itself automatically whenever I insert battery. Plus it stuck on samsung logo and makes boot loops. It doesn't let me enter recovery mode and when I go to download mode, it says warning then I click volum up(continue) and then it freezes for 2 secs and reebots itself(I can't see the download mode.. Is it normal? Why?) I don't know what to do what happened plz help
Click to expand...
Click to collapse
first of all, before you flash this arrow room, which version of samsung android u had?, if u had 4.2.2 u can still flash official rooms via odin, from 4.3 u cannot, the only way would be if you make a backup of ur sgs4..., customs roms can brick your phone (for me the safest one is cyanogenmod, but in a sgs4 only when the phone never were updated with android 4.3 on 4.4.2), try JTAG to fix it(not u, an expert needs to do this...)
PS: sorry for my bad english(still learning)

Problem after flashing efficient kernel

I am on LG D802 on android version 5.0.2 stock rom.
I just flashed the efficient kernel ( http://forum.xda-developers.com/lg-g...-aosp-t3042534 ) trough twrp and now, my phone doesnt boots. I can only enter download mode, but even then, white lines appear on the screen and my phone isnt recocgnized by the software on my pc (lg mobile support tool and lg pc suite). I cant boot into recovery, and when trying to normally reboot, the logo gets darker and the screen turns white and then black after 1 minute.
I really need help as my computer doesnt recocgnize the phone at all.
Does someone knows why this happens?
Install the latest lg drivers
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unknown issue in yureka

i didnt do anything with my yureka, tomorrow its battery dropped down and switched off so i put it on charging after decent charge upto 80%, then i tried to switch i on but its stuck at cyanogen logo.
here's what i already tried 1. i went to recovery and wiped data and tried rebooting. nothing happened still stuck at cyanogen logo/
2. i tried unlocking bootloader but i cant, coz i cant turn on usb debugging. and all in one toolbox needs my device in turn on state which i cant do.
3. i downloaded a custom rom of marshmellow cm13 but it gave me signature error when i tried to flash it via stock recovery.
4. then i downloaded the rom provided to me via cutomer support it sucessfully flashed but still stuck at cyanogen logo/
now m fedup i dont know what to do please give me sugestions thank you.
I took it to service center and they said motherboard is faulty and asked 6000 fr repair, i was hopeless coz i tried unlocking bootloader it said ok and then tried installing custom recovery but nothing happened it still boots in stock recovery then i used
Fastboot -i 0x1ebf boot recovery so it boots in twrp and then i was able to access internal memory and flash new rom but to my surprise it also got stuck at boot logo. So i guess now i have no other option but to buy new phone.
I come to this point that yureka phones/ micromax phns are not very good phn to buy all micromax phns ive ever came across didnt stood fr more than one year.

LG G2 D802 No recovery/ No Donwload Mode/ No Fastboot

Hi Guys,
I got my G2 back from my brother who have not using it for a while.
1st day it was working. I plan to install Lineage or custom ROM today...thats when the issue start:
1: it wont go to recovery mode. Even thou I have rooted and install latest TWRP it will only boot to Hardware control key screen, only this screen and wont boot to the OS it will be stuck on LG logo forever....
2: tried to go to Download mode....the same It will go to the same hardware control key only....
3: when I plug in to my PC it wont turn off, keep on restarting after I press the power button for a while.... only if no cable connected I can totally turn it off...
For a noob like me....looks like my G2 D802 is brick :crying: ...any suggestion?
PS: windows detect it( As below picture ), off at all when I plug in AC.....It Will just show the LG logo and the LED just flashing non stop until I pull out the cable and turn it off...
This is what shown on the laptop No Disk1/2/3/4/5 of sort showing on the Device Manager and on the phone each time I try to go recovery or download mode belowh happen:
https://flic.kr/p/QH2HzE
https://flic.kr/p/2bs67ne
Update 1: I found out why the phone was brick. Seems like my Brother ask his friend to install Lineage 15.1 on the it. After everything is verified ok. He wipe and try to flash the rom in TWRP but.....it failed and suddenly just freeze and turn off the screen. Maybe bad ROM download or some step miss....so now the Phone has NO OS and would not boot to anything only the Hardware Key Management....that's all....help? Need the phone as 2nd phone for company lines....dont wanna take the iPhone 6 from my boss....
help?

Need help with bricked ZenFone 3 on stock ROM

I've received today from a friend the phone.
It was running stock ROM, bootloader was never unlocked and supposedly everything is stock
Apparently all of sudden the phone wouldn't turn on anymore
It gets stuck on ASUS logo and never turns on
All I could do is access fastboot, however I can't make any changes on the system because USB Debugging was never turned on and also, the phone has a password.
Also, recovery mode won't open
Any ideas on what I could do to fix the phone?

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