Baseband unknown, no SIM card detected.
For new users: You used to rely on paid services like DC-Unlocker or third-party "potato" exploits. As of 2025, these are mostly defunct or very risky. However, if you find an already-unlocked device online, or if you unlocked your phone years ago, read on. huawei y9 prime custom rom
You must restore the "Modem" partition from your stock backup. If you did not back it up, you must re-flash the stock firmware using Huawei's "Hisuite Proxy" method, then back up immediately. Baseband unknown, no SIM card detected
There is a cure:
Have you flashed a custom ROM on your Y9 Prime? Let us know which one worked best for you in the comments below. And if you haven't, maybe it's time to pop that camera up one last time for a fresh start. Disclaimer: Flashing custom ROMs voids your warranty and carries the risk of bricking your device. The author is not responsible for hardware damage, especially to the pop-up mechanism. However, if you find an already-unlocked device online,
Unlike Xiaomi or OnePlus, Huawei stopped providing unlock codes in 2018. Without an unlocked bootloader, you cannot flash a custom ROM.