A TWRP and a CM7 for an Allwinner A10 tablet, with GPU and sensors
BRONCHO PAD703 (Allwinner A10): TWRP and CyanogenMod 7 with GPU, Wi-Fi, audio, camera and video. What broke, how it was measured, and a 22 ms clock.
Tag: Cm7
Building CyanogenMod 7 in 2026: the environment and the traps
How I build CM7 (Gingerbread) today: an Ubuntu 12.04 container, ccache, one tree shared by four phones, and the problems that cost me more than one build.
Porting CM7 to a new phone, 1/3: what to gather before writing code
Part one of a guide to porting CyanogenMod 7 in 2026: stock data, a verified backup, boot.img parameters, partitions and the starting kernel.
Porting CM7 to a new phone, 2/3: the minimal device tree that boots
Part two: which files a CM7 device tree needs, what goes in BoardConfig.mk, how to extract blobs without losing control, and which Gingerbread traps to expect.
Porting CM7 to a new phone, 3/3: staged bring-up and how to maintain it
Part three: switch on graphics, radio, Wi-Fi, camera and audio one at a time with repeatable tests, and keep patches, notes and repos so the port does not rot.