If restoring the QCN doesn't work, you may need to flash the Persist Partition or return to OxygenOS via the MsmDownloadTool .
Open the downloaded OnePlus 7T Pro QCN file in a .
Settings that allow your phone to "talk" to cell towers.
Even if your network is broken, always use the tool to "Backup" your current xxxx.qcn file. This ensures you have a template of your specific device's NV items. 3. Edit the New QCN File
If restoring the QCN doesn't work, you may need to flash the Persist Partition or return to OxygenOS via the MsmDownloadTool .
Open the downloaded OnePlus 7T Pro QCN file in a .
Settings that allow your phone to "talk" to cell towers.
Even if your network is broken, always use the tool to "Backup" your current xxxx.qcn file. This ensures you have a template of your specific device's NV items. 3. Edit the New QCN File