X420AS20g: AT&T LG K40 Firmware Update with Dec. Security Patch

AT&T LG K40 (LMX420AS) Firmware Update X420AS20g – Android 10 with December 2020 Security Patch. The LG K40 LMX420AS (LM-X420AS, X420AS) is now receiving a new firmware update from AT&T. AT&T is now pushing a security patch update to its LG K40 LMX420AS (LM-X420AS, X420AS) smartphone to version X420AS20g. The update weighs in at  135MB and … Read more

AT&T LG K40 LMX420AS Software Update with March 2020 Android security patch

AT&T LG K40 Software Update The LG K40 LMX420AS (X420AS) on AT&T  is getting a new software update. According to AT&T, The Update arrives as software version X420AS10h and includes the March 1, 2020 Android Security Patch. In November 2019, The AT&T LG K40 LMX420AS (X420AS) received its first software update which brings the device’s … Read more