Cellular radios may not work immediately. You often need to manually restore your QCN backup using QPST Software Download or RF_NV_Manager .
However, for 99% of Poco X3 NFC users, the Engineering ROM is a dangerous curiosity. One wrong click in the RF test menu, and your cellular antenna stops working. One misguided partition write, and you turn your Surya into a glass-and-metal paperweight. Poco X3 NFC surya Eng Rom -Engineering Rom-
: It facilitates easier communication with PC-based repair tools (like Mi Flash or QPST) because it does not enforce the same signature checks as stable builds. Critical Warnings and Risks While powerful, the Engineering ROM is not intended for daily use . Prospective users should consider the following: Cellular radios may not work immediately
Before you download and attempt to flash the Engineering ROM on your Poco X3 NFC, you must be aware of the severe risks involved. This is not a "custom ROM" like LineageOS; it fundamentally alters the device's system partition. One wrong click in the RF test menu,