How to Update your Rooted LG G3 to Lollipop Firmware and Keep Root/TWRP!

howto-update-lgg3-lollipop-firmware-keep-root

For those of you who want to update your rooted LG G3 to Lollipop firmware and keep root/TWRP, you will want to install stock ROMs.

Why?

If you update to latest Lollipop firmware using OTA (over-the-air) or LG G3 stock firmwares, you will run into the problem of not being able to install TWRP due to new locked bootloaders on Lollipop. (Currently there is TWRP for Lollipop on D855 only!)

By installing a stock ROM and flashing SuperSU zip file, you will be able to keep root and your TWRP recovery so you can still flash custom ROMs.

To update your rooted LG G3 to Lollipop firmware, simply download the stock ROM files for your model of LG G3 here and SuperSU zip file here, then simply flash away using TWRP recovery (follow the video tutorial if you don’t know how to do this).

Just in case you want to go back to KitKat or the custom ROM you were on, make a backup ROM using TWRP recovery first, then install the files!  Also, you do not need to do a factory reset if coming from stock firmware (or never installed a custom ROM).

If you are experiencing any lag after updating to Lollipop, you may want to consider doing a factory reset afterwards to start on a clean slate.  You can use Titanium Backup app to backup all your apps, use SMS backup for SMS texts, then do a factory reset.

 

 

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5 Responses

  1. agus says:

    this is only for LG ?

  2. Adam Sowa says:

    I went from CM 12 to stock Lollipop on D851. Did a advanced wipe. When trying to flash LGD851.20B.BOOTLOADER-iNb4TMO.zip, received “error executing updater binary zip”. I went ahead and flashed the other files. The system booted and seems fine.

    Any ideas?

  3. Jean says:

    I tried to install AT&T OTA update (I assume from 5.0.1 to 5.1? First, it stopped and said it won’t update a rooted phone, and then after I uninstalled SU, it now stalls the install with some error code after 1-2% done. I lost root and can’t update; annoying. Any suggestions on getting the update and then rooting again?

  4. Robert says:

    Is there going to be a 20e build update …or is that just a useless ota

  5. Usman says:

    I followed this tutorial & updated my LG G3 D850 with Lollipop stock ROM (was on stock Kitkat). Everything went well without any problems but there is one thing though. The notification drop down does not show volume & brightness controls like in the video. I’ve gone through all the settings but there is no option to enable it.

    Am I missing something? Would really appreciate the help.

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