[Q] reboot problem LG Optimus One, my phone do not start. - General Questions and Answers

after I installed ROM Manager App, I downloaded a ROM i think thats Cyanogen, after I reboot my phone because the phone needs to be rebooted after the download. so i rebooted my phone but the problem is that, it turned on but it did not load, it is just on the LG logo til this time since yesterday. please help me, I can no longer use my phone.

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P720h Not out of the screen with the LG logo

Good evening, I have a LG P720h, it is rooted and has Thundersnap ROM. I had installed CWM 5.0, went into ROM Manager tries to update the CWM to install CyanogenMod 10.1, which was trying and gave error. Selected by ROM Manager to update CWM, only the version that is in Rom Manager is for the previous version of the Optimus 3D Max, Optimus 3D. I selected it "thinking" it would work. It did not work, installed CWM and rebooted to install the ROM. And after I rebooted it never left the screen with the LG logo, I can not enter the Recovery for a reset, and could enter once in download mode, but the LG Update gave the following message "The phone does not support software update. "I rebooted and it does not enter in more or download. Any idea what it might be?
I thank you.
Details: If I take the battery and put it initiates alone. If I stand holding the power button it turns off, and if I push the button once to turn on again (without being depressing) it binds.

LG p999 won't boot or go into recovery mode after flash

Um sorry guys to bother you but if been trying to root my p999 for 2 years and i finally found the solution and it worked i was so happy i got so much hacks and mods everything working extraordinary until i thought of getting cyanogen mod so i download ROM manger from play story selected cyanogen mod 7 with was the only one available with Google apps and then started downloading it from the device and then it finished downloading both after half an hour then it had downloaded to the folder ROM manger downloads not in external SD car in the internal one and then i pressed install and reboot and it rebooted did everything correctly but then the phone was tuck on lg logo with cyanogen mod background if froze i took the batter out restarted more that 40 times i use to do recovery mode every time for factory reset but this time it wont work when i do it it wont never boot or go into recovery mode for me to factory rexet it guys i really need your help please i searched so much for like PC factory reset program cuz when i plug my phone to my laptop it detects it im on windows please i need to find a solution this is my only phone i have no other and i need it for work.

[Q] Verizon LG G2 Bricked- Any help would be great.

I have a Verizon LG G2 and I was running CM11 but wanted to install 10.2 instead but when I went to install it it didn't progress and froze so I restarted the phone (I know, I'm stupid. I wasn't thinking) so now it has no software installed. If I try to boot it all I get is the LG screen, I can get into trwp but only when I do a factory reset then it boots to twrp after the reset. When I try to get into download mode it goes to the software update screen but never moves from 0% so I cant use that.. Am I just completely screwed? Because I have no way to download a rom to the phone to install. Any help would be great! Thanks.

[Completed] LG G2 Stuck at Logo after using Fontster

Ok that's what happened.
I have a LG G2 D806 with Android 4.4.2 downloaded from lg-phone-firmware.
I was using the phone for 2 months without any problem. Everything went perfect.
Today I tried to change the system fonts with Fontster app, changed it once, asked me to reboot, and everything ok, and when i installed a second one and rebooted the phone, it got stuck at lg boot logo with the notification led blinking for like 5 or 10 minutes with no results.
I even cannot enter in recovery mode or i tried or made something wrong i dont know.
Please help me i dont know what to do and probably the best way will be flashing another rom or something and dont know how to do it and dont want to do it.
Waiting for your help guys!!

[Completed] Verizon LGG3 VS985 not booting

Hello
I am new to working on these phones so I apologize in advance if I don't properly state any processes or terms correctly.
I have a stock non modded Verizon LGG3 VS985 that experienced problems with WiFi and Bluetooth not working and significant battery drain. This happened right after a recent update to marshmallow. I tried cache clearing, safe mode, hard reset and nothing solved the problem. I decided I wanted to take the phone back to factory condition. I started with the LG flash tool that uses the .tot and a .dll. I ran the flash and when the program got to approx. 80%(at checking mini os phase of the flash) the phone began to reboot and only got as far as the LG logo and after about 2 min of the phone trying to reboot the flash program said fail, usb connect or something like that. At this point the phone will only start and go into a loop that includes the vibrate and the LG logo. and that will cycle until I believe the battery would die if allowed. I then found a link here at XDA (https://forum.xda-developers.com/verizon-lg-g3/general/guide-flash-to-stock-10b-kdz-method-t2928140) that uses the KDZ method, was well written and easy to follow. I ran it on the phone and it was going great. The flash program got to 88% and the phone went into the boot loop with the vib and LG logo . The flash program continued to run until it was complete while the phone was in the boot loop and it got to 100% and said that the software installed. I powered down the phone via battery removal and now when it tries to boot it vibes, shows the lg log and then the green android symbol shows for about 2 seconds and then it does it all over again. I have tried a hard reset and nothing changes. I appreciate any ideas any of you may have on what I can try to get this resolved. Thank you.
Thread closed
Reposted here
https://forum.xda-developers.com/lg-g3/help/verizon-lgg3-vs985-booting-t3550589

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