You don't always need a new ROM to make the firmware better. You can use on a computer to remove system apps that drain battery.
. Below is a comprehensive guide to checking, updating, and optimizing your device's software. How to Update Your Firmware There are two primary ways to keep your tablet current: Wireless Update (FOTA): This is the standard method for most users Open your device's Scroll down and tap System update About phone/tablet System update firmware tcl tab 10 gen 2 better
: Updates safeguard your personal data by protecting against the latest Android security vulnerabilities. You don't always need a new ROM to make the firmware better