How to clear/erase data? Something like "Three-file" Samsung ROM - LG G6 Questions and Answers

Hi!
I have the G6 from 2 months.
Earlier I had Samsung Note 2 and Xperia Z3. On Xperia, Flashing new rom was connected with deleting all data from the phone. On Samsung, there was a "three-file" rom, which was cleaning everything from the phone.
On LG, when I flash Open EU rom with Uppercut and LG Bridge, my data are still there. I have to do factory reset, but is it ok for the phone to flash one on another rom without cleaning everything? Something like wipe system, data etc. on TWRP.
Second question: is there any prerooted rom for G6?

Related

[SOLVED] Nexus 4 won't recognize SIM, after installing ROMs

Hello, I have a problem with my Nexus 4.
Everything was working fine (Even the SIM card) under a MIUI ROM, obtained from the MIUI port team of XDA. I wanted to install Ubuntu Phone, so I wiped everything.
When I say everything, is everything: Cache, Data, Dalvik... And I formated everything too: System, Data, Sdcard... So the problems started. I wasn't able to flash the phone to go back to stock, with the Nexus Rootkit. I installed the 1.6.6, the last version, and after many attemps I have now a fully customizable phone again, which is able to go back to stock or to a custom ROM, if I want.
The problem is that the SIM is not working. I'm trying to flash to 4.2.2 Stock again (because I've tried it two times) to see if it fixes the problem, but I guess that again, it won't.
So, any ideas?
Thank you very much indeed.
EDIT: The 4.3 update arrived and it fixed the problem automatically.

[Q] Knock On not working after T Mobile OTA

I have been a lurker around here for some time, but never posted. So Howdy!
I am having some troubles with my LG G2. I have loved the phone so far, and has custom TWRP recovery and rooted. Other than that the device was stock with some very minor mods (xPosed framework, etc..
I stupidly forgot that I had TWRP installed, and I chose to take the recent T Mobile OTA. The phone wouldnt boot past recovery despite a factory data reset. I flashed the stock rom (tried both D80110C and D80110G) to no avail. factory data reset again, re root, installed TWRP again, cleared cache and dalvik, and everything was fine EXCEPT the knock on feature doesnt work. Knock on works just fine, but I cannot knock to wake the device. The power button wakes the device just fine.
Anyone have any thoughts?
Also,
I was considering flashing a rom, like Gummy rom. I don't really have any hypothesis behind this, as I have already flashed the stock rom kdz twice now.
sailoholic1234 said:
Also,
I was considering flashing a rom, like Gummy rom. I don't really have any hypothesis behind this, as I have already flashed the stock rom kdz twice now.
Click to expand...
Click to collapse
Hey, is your knock on issue resolved? also try CloudyG3 rom, its realy smooth.

N9005 camera problem

Hi guys, does anyone have problems with taking pictures with samsung camera? When I take pictures sometimes phone immediatelly shut down and I cannot turn him on until I take battery out and then turn it on.
I am using official rom. 5.0 lollipop.
Does someone had similar situation? Any solution on this?
Tnx
Try to reflash your rom and clean cache and dalvik.
Its official 5.0 rom. Installed who knows when Phone is not rooted.
Try what the above person said.
Install custom recovery TWRP. Boot into it. Go to Advanced wipe section, wipe everything. (Be informed that this will completely wipe the phone, you will have nothing after this on your phone). Upgrade the boot loader to Lollipop if you already haven't. Then flash an official Lollipop ROM.
No, I have never had that issue, not once.

Phone SIM card recognized (with PIN) but no signal

Hi to all,
I have a big problem with my LG G2.
I have no cellular signal on my phone.
Yesterday my phone suddenly stop to receiving cellular signal and it never came back. I was on cyanogenmod 12.1 if that was relevant.
I've tried almost anything, hard reset, custom rom, all the things I can find online.
Today I've tried to full wipe the rom and reinstall, then tried to restore to stock with KDZ and Flashtool. Nothing changes.
Now I'm on stock rom, not rooted.
Screenshots are in the attachments.
Anyone have any hints or things that I can check?
Please, I really don't want to lose my precious G2
Thanks to all in advice,
Mauro.

Flashing black screen after flashing custom roms T-Mobile h918 lg v20

Without fail every time after the lg logo disappears after flashing a custom rom made for the h918 lg v20 I get a flashing black screen. I'm doing a factory reset/wiping davlik cache/ cache/ and data 3 times each time I flash the custom rom and sometimes I even go as far as wiping the internal memory completely even after a factory reset but no matter what I try without fail I always get the flashing black screen right after the lg logo disappears. I even tried upgrading twrp from 3.0.2.0 to 3.1.1.0 and I even tried flashing the no-verity-opt-encryption 5.1 and 6.0 but nothing I've tried seems to fix it so I'm asking for help now since I've exhausted my knowledge on what could fix it. What can I do to fix that issue so I can finally start using custom roms again? Any help would be most appreciated thanks in advance.
P.S. The only rom I could get to flash successfully was the stock twrp flashable t-mobile rom on one of the threads in the rom section of the lg v20 forum so for now until I can fix that issue I'm currently running that so I have a phone I can still use.
raze5115 said:
Without fail every time after the lg logo disappears after flashing a custom rom made for the h918 lg v20 I get a flashing black screen. I'm doing a factory reset/wiping davlik cache/ cache/ and data 3 times each time I flash the custom rom and sometimes I even go as far as wiping the internal memory completely even after a factory reset but no matter what I try without fail I always get the flashing black screen right after the lg logo disappears. I even tried upgrading twrp from 3.0.2.0 to 3.1.1.0 and I even tried flashing the no-verity-opt-encryption 5.1 and 6.0 but nothing I've tried seems to fix it so I'm asking for help now since I've exhausted my knowledge on what could fix it. What can I do to fix that issue so I can finally start using custom roms again? Any help would be most appreciated thanks in advance.
P.S. The only rom I could get to flash successfully was the stock twrp flashable t-mobile rom on one of the threads in the rom section of the lg v20 forum so for now until I can fix that issue I'm currently running that so I have a phone I can still use.
Click to expand...
Click to collapse
did you ever find a solution? I'm having the exact same issue and am pulling my hair out trying to get something to work
If the version number of twrp your using is in fact 3.1.xx then that could be your problem all the new roms im almost positive need the newest twrp from pheonix i think it 3.2.3.4 its in the deveopment section...ive heard alot of problems on this device with older interations of twrp. I would start there
https://forum.xda-developers.com/showpost.php?p=77177529&postcount=6
Phoenix591 said:
Official lineage 14.1 only works with pre10p h918, some firmware blobs need changed.
I just built an unofficial for my own use a few days ago that should work, but I havnt gotten around to testing it yet.
lineage-14.1-20180721-UNOFFICIAL-h918.zip
lineage-14.1-20180721-UNOFFICIAL-h918.zip.md5
When lineage 15.1 becomes official the h918 builds will be aimed at post10p. x86cpu is currently doing unofficial builds for both.
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