This touch firmware (version 30303067) solves the following behavior.
- The unit does respond to stylus intermittent
- Touch is out of calibration
- Touch screen does not react at all
- Rain mode
Follow the steps below to install the firmware.
- Copy the TouchUpdate_v1.5.apk file to a micro SD Card.
- Launch OI File Manager and navigate over to Home/storage/sdcard1 folder.
- Tap the TouchUpdate_v1.5.apk file.
- The update is done.