mtk_nvram) triggers an fsync on the underlying storage."IMEI ProInfo Updated" – at INFO level.TelephonyManager → may trigger ACTION_PHONE_STATE_CHANGED.The TAC (first 8 digits of the IMEI) determines the model. The updated database adds over 12,000 new TAC codes released between 2023 and 2025, including obscure OEMs like Nothing Phone (2) and Fairphone 5.
This message appears in:
Trigger events include:
| Log Message Variant | Meaning |
|-----------------------------------|-------------------------------------------------------------------------|
| IMEI ProInfo Update failed | NVRAM write error (full partition, bad block, or checksum mismatch) |
| IMEI ProInfo Updated (invalid checksum) | Data was written but verification failed → will revert on reboot |
| IMEI ProInfo Updated (duplicate) | IMEI already exists in another device’s database (rare) |
Starting in late 2024 and continuing into 2025, the mobile tech landscape underwent several major changes. Manufacturers like Apple and Samsung strengthened their security protocols. Carriers globally began sharing blacklist data across borders. New 5G bands and eSIM profiles changed how devices register on networks.
The older versions of IMEI ProInfo began failing. Users reported:
The developers behind IMEI ProInfo responded with a massive overhaul. The IMEI ProInfo Updated version addresses these pain points. In essence, the "updated" tag signifies:
If you are using an older crack or an outdated version, you are likely getting false negatives. That is why the entire community is migrating to the updated release.
A unique feature: The updated ProInfo generates a compatibility table for major carriers (T-Mobile US, Vodafone EU, JIO India, China Mobile). It tells you exactly which 4G and 5G bands the device supports, helping international buyers avoid frequency mismatches.
