How to lock bootloader for Lg Magna H502f - LG Magna Questions & Answers

Hi. As i have rooted my phone i cannot update my phone to the latest official update by lg. Now my phone is not able to receive signal while in only 3g mode. Also cant locate gps well. i think this might be the problem because of the phone didnt updated yet.
Because of the phone has rooted i couldnt update. Someone please help me to lock the bootloader first and update to the latest version.

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Stuck in Firmware Update Mode after

Hi Everyone,
I had received an update on PC suite for 5.0.2 lollipop and 65% of the way through it had stopped working and therefore my phone is stuck in Firmware Update mode and now I can get out of it.
I wasn't rooted but on the bottom of the box written in red it was saying ROOTED.
Previously I was using the 4.4.2 20h version
Please can you help as I don't really want to take it into LG as they probably will just ignore it
Thanks
Arnavj27 said:
Hi Everyone,
I had received an update on PC suite for 5.0.2 lollipop and 65% of the way through it had stopped working and therefore my phone is stuck in Firmware Update mode and now I can get out of it.
I wasn't rooted but on the bottom of the box written in red it was saying ROOTED.
Previously I was using the 4.4.2 20h version
Please can you help as I don't really want to take it into LG as they probably will just ignore it
Thanks
Click to expand...
Click to collapse
Please tell me your variant and your carrier, and I can help you out.

LG G2 D80220C- Trying To Upgrade To Lolipop "Device Not Registered"

device not yet registered
hi everyone
i've got a problem with my g2 d80220c when i tried to update from kitkat to lollipop, when i searchh for an update it says your device is not yet registered , and when i use lg support tool the application stops working .
some say i've got to get an at&t simcar but i can't get when caus am not in the us .
please help me fix that given that i dont want to root or mess up my phone and thnx

Got status 7 error on OTA system enhancement update of 89 MB

Hey pals,
Good evening .After a long i'm back. I was rooted and today only i fully unroot my device 820U dual sim. Running lollipop v5.0.2 with software number 2.10.720.1
I was prompted for basically 2 updates for mail and system enhancement 1.99MB both were installed successfully.
After that i got again update for system enhancement of something 89.xx MB update. It was downloaded and i pressed installed as we all do. Stock recovery prompted and installation begin. In a while might be after 10% it threw me status 7 error.
Is anybody experiencing this issue ?
What could be best possible fix ?
Status 7 error in OTA, shall i edit updater script or could something else causing the issue ?
Might be if i am not mistaken then this 89.xx MB update was 2.10.720.4
I'm in official rom and re-locked bootloader.
Please share your views and recommendations.
It might be due to changes that you made to system partition before so unless you flash a lollipop RUU you cant update though ota.(there was a problem like this on my other HTC phone and I was unrooted and on relocked bootloader same as you but I couldnt update untill I flash RUU and started over.)
Can u give the link of lollipop ruu ??
Kianush said:
It might be due to changes that you made to system partition before so unless you flash a lollipop RUU you cant update though ota.(there was a problem like this on my other HTC phone and I was unrooted and on relocked bootloader same as you but I couldnt update untill I flash RUU and started over.)
Click to expand...
Click to collapse
Yeah!
Got that brother. I rolled back to KK from Lolli and made OTA for lolli.
After getting android L, i again installed all 4 updates before android M. Now my software number is 2.10.720.5 and running lolli.
OTA and everything is fine now. Yeah though i create a thread i always get my answer before somebody replies to it.
I already got problem fixed just after some minutes of creating this thread.
:good: Thanks anyways, hope this will help others.
but can we downgrade to kitkat after installing lollipop on s-on device with unlocked bootloader
^Same question... Because I couldnt.. It showed image upload failed or something like that... Can anyone pls give link of official lollipop RUU for india region for 820u..
Atharva Kulkarni said:
but can we downgrade to kitkat after installing lollipop on s-on device with unlocked bootloader
Click to expand...
Click to collapse
no and 2nd thing to keep in mind is with bootlodder unlock we cant flash RUU !

No software update option

Hi everyone
I own a HTC m9 plus and I'm running stock firmware and it's not Rooted and bootloader is locked and my Android version is 5.0.2 today I wanted to update my phone to marshmallow but there was no software update option in settings>about at first I thought maybe my ROM is not the stock ROM but when I go to bootloader it was written locked,and here is a point when I bought my phone it was rooted by KingRoot but there was no update option even when it was rooted,I unrooted my phone by reading instructions from this website but still there is no update option
I will be really thankful if anyone help me
If u need more information about my problem just ask me

Update by OTA locked

Hey guys. I live in Brazil and have one H870, but it was from a network operator and the updates are locked by the IMEI by this operator. So, I flashed the v20b on it, and it works, but it is unable to find updates by OTA. There is any workaround to bypass this block?
Not sure if I understand correctly. But if I u flashed v20b your phone won't find any additional OTAs because 20b is the most recent firmware.
clouds5 said:
Not sure if I understand correctly. But if I u flashed v20b your phone won't find any additional OTAs because 20b is the most recent firmware.
Click to expand...
Click to collapse
Yeah, I don't think that happens with someone else outside Brazil. Here, when you get a H870 from a network operator, they put their own customized ROM, that is really slow and consumes a lot of battery. But when you try to flash other ROMs, you don't get any OTA update. Everyone who asked about it got the same answer, they locked the update with the IMEI, and the only way to get OTA update is using the stock operator ROM.
vitor_fs said:
Hey guys. I live in Brazil and have one H870, but it was from a network operator and the updates are locked by the IMEI by this operator. So, I flashed the v20b on it, and it works, but it is unable to find updates by OTA. There is any workaround to bypass this block?
Click to expand...
Click to collapse
V20b for H870 is the last update for this variant, so you wont find any OTA right now and maybe never more this year.
We hope Android 9 came to this phone but most probably later next year so.
Even tho you cant find OTA you can connect to LG Bridge to check that, but as someone and i already told, v20b is the last one until now.

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