: A higher-end variant supporting up to 10-point multi-touch .
| Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | Touch coordinates inverted | X/Y swapped or mirrored | Swap 0x8048/0x804A values or reverse bit order | | Non-linear response at edges | Incorrect Tx/Rx channel mapping | Adjust config[12] (driving capability) | | Intermittent touch after sleep | Missing reset sequence after wake | Send reset pulse (low for 2ms, high for 50ms) | | Report rate drops | I2C clock too slow | Increase I2C to 400 kHz; check INT handling | gt9xx1024x600