| Test Type | Attempts | Success | Failure Cause | |------------------------|----------|---------|------------------------------------| | Normal update | 50 | 50 | – | | Interrupted during flash | 30 | 27 | 3 required manual factory reset | | Corrupted download | 30 | 30* | *Blocked by validator, no flash | | | 110 | 108 | 98.2% success |
Even with the right tool, errors happen. Here is how to solve them. zte router firmware update tool