HELP - LG G3 F400K ask for phone PIN! - G3 Q&A, Help & Troubleshooting

EDIt: forget, see it better and i think is forget the phone code or etc, this ask for the google account to recover the password of phone...i will put new firmware on it and they gonna work again.

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[Q] HTC ONE M8 Sprint

Hello Good and Helping members and mods.
Let me tell the whole strory before i ask any help.
I buy the HTC ONE M8 Sprint phone in ebay. The member who sale, he tell its unlocked and bla bla bla..... Ok, i buy, wait 2month for the phone, because i am in Latvia. I got the phone, i turn on the device, everything great, i do all the stuff, trought WIFI, everything good, device is working and soound working. Then i insert the SIM card, then the trouble begin.
Its showing the device dont regonize the SIM card, and cant use in 4G aka LTE, ok, i switch to the GSM, same s*it..... Ok, i start searching the internet, found website ( i will not post, to i dont advirtise anything ) they send me some unlock code..... But where should i put it ? I dont see such a thing to put the CODE.
I need a member or mod, or some guy who know every step to unlock my phone, maybe the GUY can contact me trought my email - [email protected] tell me everything, i can call to skype and he teach me steb by step, or use some TeamViewer to he can unlock the phone ?
I try to root from this forum, i cant, or i am to dumb, or there is to much smart words in those instcructions?
Please help me to unlock the phone... I try already like 1 month, nothing help.
Sry for my bad English i am from Latvia.....
Best Regards, Egils Gridins

LG g pro e986 not read the sim card

prejudice and first excuse my bad english (google translate) and thanks for the opportunity given to solve problems unknown to us as in my case.
then I state that I understand a little but this is really strange, yesterday I got the bright idea to bring back to the data of the cell factory in question having the TWRP 2.6.0 for lg optimus g pro e986 doing so went in contrast perhaps with the recovery changed by always reboots and always going to end up in recovery ...
after which I started lg flash tool I downloaded the firmware e98620a Italian one I did recover after having finished I found a phone that does not read most of the sim, I have already tried to put other sim cards but nothing I have also tried my card sim in other phones and works perfettamete, now I do not know what to do ....
if you can be of assistance I typed in the dialer 2945 # * 896 # so entering the sim unlock process and any menu press I wrote out this phone is permanetly locked and can not be unlocked.
Now I do not know what to do I ask your help please help
thanks in advance to all

Cannot unlock bootloader on a repaired H815

My bootloader unlocked H815 suddenly froze (hard bricked) with no response to anything other than the boot screen.
Sent it for repair. They replaced the CPU and RAM. The repaired H815 came back locked with 10C.
The IMEI stayed the same, but the device ID was changed (fastboot...devic-id).
When trying to obtain a new UNLOCK.BIN file on the LG developers site, I get the message that my device ID does not match.
I managed to root the H815, but I cannot install a recovery (TWRP). This prevents me from installing any ZIP file since I have no access to recovery (XPOSED, V4android, etc.).
Please advice
Thanks
Anyone?
U should email lg developer for help.. I saw a lot of people facing this problem also
Sent my IMEI and new Device ID to LG (via LGE Developer site)
waiting for the new key file
Waiting for the Sקמא צט
I just sent a mail to developer (at) lge.com with the same problem. The IMEI stayed the same, but the Device-ID changed when they replaced the motherboard. I had unlocked my g4 before it went in repairs. Actually the combination Genesys MM with xposed 79, G4 tweaksbox, the lack of recovery installed and USB debugging disabled is what hard bricked my phone in the first place. Something made LGUP unable to find the model of the phone.
I will update this post with any response I get from the email.
UPDATE:
It worked. They asked me to send a photo of the back of my phone (with IMEI number). After that they said I could try again and that the site should now give me the unlock.bin. It did.
Thanks LG!

LG K10 k420n frp unock help

Hi friends,
I reset my phone and lost the email and password from google. I know my password but i forgot the email.
So.
After reset i tryed all methods i found on the internet but i don't manage to make done a single one.
I have downloaded the flash but i can't write it on my phone.
Today i visit the phone service from my city and they said that they can't help me.
So the i no other method for doing this?
Please help me mates.
Thank you
Edit: I manage to install the firmware after this tutorial: https://forum.xda-developers.com/lg-k10/how-to/guide-upgrade-downgrade-lg-k10-t3488250
But the phone still ask for email and password.

A little help with flash firmware

Hello guys. I am from Europe and just buy Samsung Galaxy S20 Ultra with Snapdragon. The phone is unlocked, but have carrier brand, Verizon, I want to remove it. Can't change phone language (see that this problem is discussed here, but I did not see a solution) and in Verizon miss Samsung Cloud.
I decided to try changing stock rom with Odin. Now downloading official firmware SM 988U, because I read that must put firmware with "U", and downloading SM-988USQU1CTLB (this is my baseband version and hope that this is correct firmware), write only USA, without any brands, from sammobile, I hope that is without carrier brand. Don't know if I will manage to change language successfully, because the phone is made for USA, but hope that carrier brand will disappear and Samsung Cloud will show. Will do this for first time and don't understand a lot of things. However, my question is for Bootloader.... I try to see if my bootloader is unlocked or locked, but can't do it.... If I put new firmware and bootloader is locked what will happens? Sorry for my stupid question, but I try to learn how things happen What you think, is my idea is good or no?
Something is bricks. I downloaded the original stock firmware from sammobile. USA only, I successfully uploaded it, everything with Odin was good, but after restarting and entering my sim card pin code, the phone want pin code to get app notifications. Please someone help me.... What is this pin code? I can only received phone calls
I manage to put the phone in downloading mod, please someone tell me witch firmware must download and install? The phone is SM-988U

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