Write Imei To Target Failed May 2026

Trying to restore IMEI on my [Phone Model] using Maui META but keep getting "Write IMEI to Target Failed" at 99%.

Here’s a comprehensive content piece tailored for different platforms (support article, error message explanation, forum post, or internal documentation) addressing the error. 1. Support Article / Knowledge Base Entry Title: How to Fix "Write IMEI to Target Failed" (Diagnostics & Solutions) write imei to target failed

🔹 Are you using Windows 10/11? 👉 Yes → Disable Driver Signature Enforcement and reinstall MTK/USB drivers. 👉 No → Skip to Step 2. Trying to restore IMEI on my [Phone Model]

| Cause | Diagnostic | Solution | |-------|------------|----------| | | Read NVRAM first – if returns all zeros or 0xFF , sector is locked. | Send NVRAM_UNLOCK command via AT+EGMR=1,7,"" | | Checksum Error | Tool log shows CRC mismatch after write. | Recalculate checksum using target’s XOR routine. | | Secure Boot | Device shows BROM ERROR: S_BROM_CMD_STARTCMD_FAIL . | Use authenticated DA file from firmware bundle. | | Partial Write | IMEI appears written but reverts after reboot. | Unmount nvdata partition before write: umount /nvdata | Support Article / Knowledge Base Entry Title: How

The host tool successfully connected to the target’s download agent (DA) but failed to commit the IMEI value to the non-volatile storage region (typically NVRAM sector 0x05 for IMEI1).