Historically, fixing a corrupted or null IMEI on Qualcomm devices required expensive "boxes"—hardware dongles used by professional repair shops. However, as the Android modding community has grown, so have the methods for performing these repairs without proprietary hardware.
→ You need a backup restore , not a repair. If you have a QCN backup, restore it with QPST (no box required). qualcomm imei repair tool without box
If your Qualcomm device is rooted:
, which allows reading and writing Non-Volatile (NV) items where IMEI data is stored. QFIL (Qualcomm Flash Image Loader): Often bundled with QPST, it is used to backup and restore Historically, fixing a corrupted or null IMEI on