learning posts

Qualcomm boot-chain security on modern Snapdragon devices is best understood as a shift in trust boundaries rather than a single bug story. This deep-dive examines…

A recent research project published on GitHub — qualcomm_gbl_exploit_poc — demonstrates a proof-of-concept exploit targeting the GBL (Generic Bootloader) stage on certain Qualcomm-based devices. The…

Quectel 5G module, open adb, you need to enter a key to open   python: import crypt #sn = '18700338' #sn = '40901409' sn =…

The CDN for downloading Xiaomi firmware has a speed limit. It is said that a group of people who work on PCDN deliberately increased the…

In 2017, there was such a customized requirement: write a file data, and the file data also needs to be restored after restoring the factory…

In the modem section, MTK provides the complete source code only to major smartphone companies like Xiaomi, OPPO, Vivo, and significant design firms such as…

device information: Redmi Note 10 Pro Dimensity 1100 CPU model is MT6891Z/CZA (MT6885, Dimensity 1000L, MediaTek’s first 5G chip) Redmi Note 10 Pro startup modem…

persist partition: account information, DRM (Digital Rights Management) related files, sensor registry, essential for our wifi, Bluetooth, mac address. Please note that restoring factory settings…

nvcfg​ partition Function: This partition stores variable configs of NVDATA and NVRAM. nvdata partition Function: This partition stores variable data of secure and identifying infos for your device.…