Update stock Oreo B20 firmware on AT&T LG K20 M255 – M25520b

LG Mobile is updating it’s AT&T exclusive entry level smartphone LG K20 on the latest Android 8.1 Oreo OS. LG is best known for providing latest firmware updates even to the older devices, just a few days back 2016 flagship LG G5 got updates to Oreo and now the same update head to the LG K20.

The AT&T LG K20 model M255 get the official Oreo update as software version M25520b carrying build OPM1.171019.026, further it brings goodies of Android Oreo along with August 2018 security patch and system enhancements. if you own a LG K20 AT&T then you’ll be getting the OTA anytime soon. Below we have listed the details about the Oreo firmware.

LG K20 M255 Stock Oreo 20b update: Features

The stock Oreo update for LG K20 is a major jump from Nougat to Oreo and also brings goodies of Oreo including Picture In Picture Mode, Auto-fill, better Notification handling, Homepage improvements, smart font options and improved battery and a lot more.


LG K20 Oreo details:

Device Name: LG K20

Device Model: M255

Carrier: AT&T

OS update: Android 8.1 Oreo

Build number: OPM1.171019.026

Software version: M25520b

Android Security Patch Level: August 01, 2018

Size: 1450MB

Download LG K20 Oreo OTA and KDZ

The update is heading to the eligible devices, if you think your device is un-rooted then the OTA is heading to your phone anytime soon. If you think you got zero patience in your DNA then head to Settings > About device section and there check for latest system updates if available.

Download M25520b Oreo KDZ: Link (will be active soon)

Process to install Oreo KDZ on LG K20 M255 via LG UP

Once you successfully downloaded the Stock Oreo KDZ file just head to the guide and follow instruction to install the stock Oreo KDZ via LG UP.

Stay tuned for more updates and give us your feed back about the Oreo taste on your LG K20. If you are facing any difficulty during the installation process just drop your comment below or contact us via email.

Source AT&T

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