January 28th, 2019.
LG released a security update for the LMX410UM LG K30, The Update is software version X410UM20c.
| Model | Buyer Suffix | Buyer/Carrier | Software Version | Last Update Date |
| LMX410UM | CST | COMCAST | X410UM20c | 2019-01-28 |
The LG K30 X410UM (aka LMX410UM) from Xfinity Mobile have already got the Android Oreo Update.
LG released the v10d software update for the Xfinity Mobile LG K30 X410UM on August 20, 2018. The v10d is the last Android N 7.0 Update with the July Security Patch and the next update is V20a or v20b which brings the Android 8.1 Oreo Update.
Download LG K30 X410UM Stock firmware
Model Buyer Suffix Version OS File Name File Size Download LMX410UM CST X410UM10D_01 NMR2 X410UM10d_01_0727.kdz 1.92GB Download LMX410UM CST X410UM20C_02 OMR1 X410UM20c_02_0105.kdz 1.71GB Download
We did not know the Antiroll-back / Qfuse Version of the X410UM20c, Please do not now try to downgrade your phone to X410UM10d if it is already with the firmware build X410UM20c.
If the X410UM10d and X410UM20c have same Antiroll-back / Qfuse Version, You will be able to downgrade LG K30 X410UM from Android Oreo to Android Nougat.
To check the Antiroll-back version, You need to extract the laf or aboot partition from X410UM20c kdz, Use winhex to open aboot or Laf, You will see the Antiroll-back / Qfuse Version.
We will update this post after checking the Antiroll-back / Qfuse Version of X410UM20c.