[G3 General] Step-han:
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This topic will not be updated anymore, links are still available

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Standard disclaimer: I'll take no responsibility if you mess up your device by flashing any of these modems.

Notes:

- This modems are only for the D855 version of the G3. (16 and 32GB)

- All modems are extracted from original (or leaked) .kdz firmware from LG

- I don't know the changes between the versions

- Modems works on all roms; stock/aosp/cm etc

- U can flash all 4.4.x versions on 4.4.x based roms

- U can flash all 5.x.x versions on 5.x.x based roms

- U can flash all 6.0.x versions on 6.0.x based roms

- Leaked version means that the firmware is leaked from LG

- Official version means that the firmware is offical pushed out by LG (OTA)

- Numbers between ( and ) means radio name in Android (if this number is the same, like 10E and 10F it doesn't mean its the same radio! Before flash double check .zip name! )

- For flashing modem without zip, extract modem.img use fastboot: fastboot flash radio modem.img

- RPM is a system partition, just flash the right one for you're Android version, Android 6.0.x also works on Android 5.x.x

- TZ is a system partition, just flash the right one for you're Android version, Android 6.0.x also works on Android 5.x.x

How do I check which radio I've installed (STOCK):

- Go to settings

- Go to general

- Go to about phone

- Go to software info

- Go to baseband version

How do I check which radio I've installed (AOSP):

- Go to settings

- Go to about phone

- Go to baseband version

- 00052 (in the middle) stands for the modem of firmware 20P

Installation instructions:

1. Download a radio/modem u want to install

2. Go to recovery

3. Flash the downloaded .zip file

4. Reboot

5. Enjoy

Downloads:

Android 4.4.x:

- 10E (00009) - download - leaked

- 10F (00009) - download - leaked

- 10G (00009) - download- leaked

- 10I (00009) - download - official

- 10J (00009) - download - official

- 10L (00009) - download - leaked

- 10M (00009) - download - leaked

- 10N (00009) - download - official

- 10O (00009) - download - mirror - official (latest, recommended on 4.4.x)

Android 5.x.x:

- 20A (13-00040) - download - official

- 20C (13-00038) - download - leaked

- 20D (13-00046) - download - leaked

- 20E (13-00048) - download - official

- 20F (13-00048) - download - leaked

- 20H (13-00048) - download - leaked

- 20I (13-00048) - download - official

- 20K (13-00050) - download - official

- 20P (13-00052) - download - mirror - official

- 20T (13-00048) - download - leaked

- 20U (13-00048) - download - official

- 20W (13-00048) - download - official

- 21A (13.2-00002) - download - mirror - official

- 21C (13.2-00002) - download - mirror - official (latest, recommended on android 5.x and higher custom roms)

*Android 6.x:

- 30B (13-00106) - download - mirror - official (latest, NOT recommended, will not work with custom roms!)

RPM/TZ: (this is not a modem/baseband but two system partitions)

- Android 4.4.x (10O) - download

- Andoid 5.x.x (21C) - download

- Android 6.0.x (30B) - download

*Android 6.x (marshmallow) modem only works with original LG rom (flashed with kdz). If you use a custom rom with android version 6.x or higher just flash 21C.