XiaomiOfficialPatchNv is a small Windows utility designed for authorised repair use when a Xiaomi/Redmi/POCO device shows “NV data is corrupted,” IMEI/Baseband is Unknown, or Wi-Fi/Bluetooth MAC addresses are missing. The tool focuses on restoring the phone’s original identity records in NVRAM/NVData (not changing them), using the handset’s CHIPID/CPID to bind the repair to the same motherboard. In the screenshot above, the Critical Data window displays the fields PRODUCT (e.g., pond), CHIPID, IMEI1/IMEI2, MEID, WIFIMAC, and BTMAC, along with a Patch NVRAM action and a live log pane. (High-level repair context for NV data corruption: (XDA Forums))
XiaomiOfficialPatchNv Who This Is For
– Professional/authorised technicians dealing with MTK-based Xiaomi devices that lost their radio/NV partitions after a flash, board swap, or a bad erase.
– Users who can legally prove the device’s original identifiers (box sticker, warranty card, or service database).
Note: Rewriting identifiers to values not originally assigned to the device can be illegal in many regions. This post describes restoration to factory-assigned values only. If in doubt, use an official service centre. (Reddit)
XiaomiOfficialPatchNv What It Fixes
- NV data is corrupted” at boot/recovery.
- IMEI/Baseband showing Unknown.
- Missing or default MAC addresses for Wi-Fi/Bluetooth.
- These symptoms typically occur after an NV partition wipe or mismatch following firmware operations. (XDA Forums)
XiaomiOfficialPatchNv Tested Devices (Board Codenames)
- lake: Redmi 14C / POCO C75 / Redmi A3 Pro family. (mifirm.net, postmarketOS Wiki)
- pond: Redmi A3 Pro 4G Standard Edition (board family “Xiaomi Lake/Pond”). (PhoneDB)
- Tip: If you’re unsure of your codename, consult an up-to-date codename index. (Technastic, XHyperOS)
Troubleshooting Notes
- If IMEI shows but baseband is still Unknown, confirm you flashed the correct modem/radio from the right codename firmware. (mifirm.net)
- If Wi-Fi/Bluetooth toggles fail after a successful IMEI restore, confirm valid MAC addresses (not placeholders) and reboot twice.
- If your board was replaced, only write the identifiers that legally belong to that new board per local law/policy, or escalate to an authorised centre. (Reddit)
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