Use the method provided by Qmax or the firmware distributor. Two common methods below; choose the one available for your device.

Method A — Over-the-Air (OTA) update (recommended)

Method B — Manual update via USB/SD (use only if OTA not available)

The safest method is an Over-The-Air (OTA) update:

Note: If your device says "No update available," you are likely on the latest stable version released by the manufacturer.

Some updates reset touch calibration. Go to Settings → Display → Touch Panel Calibration and follow the on-screen dots.

Qmax Mst-999 H2 Mini 4 Software Update Guide

Use the method provided by Qmax or the firmware distributor. Two common methods below; choose the one available for your device.

Method A — Over-the-Air (OTA) update (recommended) qmax mst-999 h2 mini 4 software update

Method B — Manual update via USB/SD (use only if OTA not available) Use the method provided by Qmax or the firmware distributor

The safest method is an Over-The-Air (OTA) update: Method B — Manual update via USB/SD (use

Note: If your device says "No update available," you are likely on the latest stable version released by the manufacturer.

Some updates reset touch calibration. Go to Settings → Display → Touch Panel Calibration and follow the on-screen dots.