As of late 2024, there is no fully stable OpenWRT or DD-WRT port for the B535-232. The chipset (Balong V711) is not fully open-source.

Remove network locks so you can use a SIM card from any telecom provider worldwide.

A third-party repository that hosts various firmware versions (e.g., C801). Note that some users report these require specific proprietary tools or paid accounts to fully implement. Key Modification Capabilities Installing a custom WebUI or firmware on your can unlock several powerful features:

no official or widely verified "one-click" custom firmware link