Mitigation: Enable automatic system updates; Nokia releases security patches quarterly. Extracting boot.img from a pac archive (Python pseudocode using unisoc_unpack tool):
| Partition | Function | Size (approx) | |-----------|----------|----------------| | proinfo | IMEI, RF calibration | 8 MB | | uboot | U-Boot bootloader | 2 MB | | boot | Kernel + ramdisk | 64 MB | | vbmeta | Verified boot metadata | 8 KB | | super | Dynamic partitions (system, product, vendor) | 3 GB | | userdata | User data & encryption footer | Remainder | | misc | Recovery/boot control flags | 1 MB | nokia g21 firmware
(bootloader) version:0.5 (bootloader) unlocked:no (bootloader) product:atlantic (bootloader) is-userspace:no (bootloader) partition-size:super: 0xE0000000 Mitigation: Enable automatic system updates