iPad Pro 12.9 (4th Gen)
| Problem Description | Symptoms | Solution | Source |
|---|---|---|---|
| Not charging, no power. | - If you have a tristar tester or lightning breakout board you should test that before attempting the following. - Test with a known good battery. - Replace charge port. - If the above didn’t help you likely have a dead tristar. | Source | |
| No power. | Ampreader shows 5V 0.04A | Check for shorts around the USB-C controller IC CD3217B12. | Source |