Fix Null IMEI & No Network on Huawei/Honor Phones!
Facing IMEI issues, baseband error, or OEMinfo corruption on your Huawei or Honor smartphone? You're not alone. Many users struggle with no service, null/null IMEI, or a faulty OEMinfo partition after a wrong flash. Fortunately, here’s a free and working solution using Octoplus.
Requirements:
- Windows PC
- Huawei Cert File for your exact model
- Octoplus, SigmaKey, HCU, or Chimera tool
- Original USB cable
- Test point method knowledge
IMEI Repair – Easy Steps:
- Download the correct Huawei Cert file for your device š„
- Launch Octoplus Huawei Tool
- Load your model in the software
- Navigate to Security Tab > Load CERT
- Enter Test Point mode and connect via USB
- Click Write Cert – Done! ✅
This method helps fix: IMEI Null, Unknown Baseband, No Network, SIM not working, and OEMinfo partition failure.
š Secure Download
š” What is OEMinfo Partition?
The OEMinfo partition stores device-specific calibration, including IMEI, SN, and network data. Flashing or wiping it incorrectly causes boot loops or signal loss. Always use a valid cert + OEMinfo file!