Repairing the IMEI on a China-made keypad mobile is often necessary when a device displays "Invalid IMEI" or "SIM Registration Failed," which prevents it from making calls or connecting to a network. This guide covers the most effective software tools and the general procedure for restoring your original IMEI. Common IMEI Repair Tools for Keypad Mobiles
Key Features
- Write single or dual IMEI (SIM1 & SIM2)
- Read existing IMEI from phone
- Backup NVRAM/IMEI before writing
- Works via USB cable (no need for root in most MTK cases)
- Supports BROM mode (preloader) for dead/bricked phones
The International Mobile Equipment Identity (IMEI) is a unique 15-digit identifier that serves as your mobile device's digital fingerprint. For many owners of Chinese keypad phones (feature phones), issues like an "Invalid IMEI" or a "Null IMEI" can occur after software crashes or improper flashing, leading to a total loss of network signal.
Repairing an IMEI on Chinese keypad mobiles typically involves using specialized software tools designed for devices with MediaTek (MTK) or Spreadtrum (SPD) chipsets. These tools are primarily used to restore original IMEI numbers that have become corrupted or display as "Invalid" or "Null" due to software errors . Popular Software Tools
Penalties: Can include up to three years of imprisonment and fines up to ₹50 lakh.
