The Zeeweii (or Sigpeak) DSO2512G is a popular budget 2-channel oscilloscope, and its firmware is a central topic for users looking to fix bugs or unlock features. Official Firmware
Configuration: Set the "Chip" type to W80X and select your .fls firmware image. dso2512g firmware
The FNB-58 (DSO2512G) is a popular handheld oscilloscope known for its compact size and impressive feature set for the price. However, many users seek firmware updates to fix bugs, add features, or unlock hidden capabilities. The Zeeweii (or Sigpeak) DSO2512G is a popular
To install custom firmware, you typically use an ST-Link V2 programmer connected to the internal SWD headers—not the SD card method. This is not for beginners. The DSO2512G unit
If this is your first time connecting the scope to a PC:
Note: Unlike open-source scopes (e.g., Rigol hacked firmware), the DSO2512G firmware is closed-source and only provided by FNIRSI.
Usually provided by the seller or found in enthusiast communities like the EEVblog forum Backup (Recommended):