I should point out that this was running FFOS upon Android ICS 4.0.(3?). Firefox OS uses much of Android's base for getting things working (last I checked). Bu

I should point out that this was running FFOS upon Android ICS 4.0.(3?). Firefox OS uses much of Android's base for getting things working (last I checked). But, the perhaps bigger issue with Indian phones is the locking down of firmware. Spreadtrum (the SoC in the phone that you're mentioning) has all sources (device + kernel + vendor trees included) for compiling FFOS for the "tarako" board (upon which 3 of the first $35 FFOS smartphones sold in India were based). However, I'm not sure up to what extent you can modify their firmware. Github user abgoyal (forgot his HN username) had a fair amount of success acquiring the kernel sources for his $35 FFOS device from the vendor ( https://github.com/abgoyal/zen_u105_kernel https://github.com/abgoyal/zen_u105_kernel ), but iirc he had issues with those sources too. Now, if I want to buy that particular device (since its open) to have a cheap $35 _thing_ to break, unfortunately I can't, since they stopped production.