Software Update for the TCL 30 Z (4188R)
Which device do you want help with?
Change device

Software Update for the TCL 30 Z (4188R)

Latest update
Getting started
Update & verify software

Latest update

The updates

  • What's changing: various fixes and improvements

 

The details
  • Release date: January 13, 2023
  • Android version: 12
  • Security Patch Level (SPL): January 5, 2023
  • Baseband number:LV9Z
  • Software version: MOLY_LR12A_R3_MP_V192.7
  • File size: 191MB

Getting started

  • You can download the update via Firmware Over the Air (FOTA).
  • You must connect your device to Wi-Fi® to download the update.
  • Although there should be no impacts to settings or data, we recommend backing up your media files to an SD card, a computer, or using a favorite application, prior to upgrading the software.

Update & verify software

Update software

  1. Make sure your device is fully charged and connected to Wi-Fi.
  2. From the System screen and select AT&T Software Update, then Check for Updates.
  3. Follow the on-screen prompts to download and install the update.
  4. The device automatically restarts once the new software successfully installs.
 

Verify software update

  1. Swipe down from the Notification bar and select Settings.
  2. Select System and About phone.
  3. Scroll to and select Android version and TCL UI version.
  4. If the Android and Baseband versions don’t match the current update details; perform additional updates until they do.
 

Troubleshoot software update

Did you get the help you needed?