Latest Datawind Ubislate 7W user agents:

User Agent	Browser	Platform
Dalvik/1.6.0 (Linux; U; Android 4.4.4; DW-UBT7W Build/KTU84P)	Android Browser	Android 4
Mozilla/5.0 (Linux; U; Android 4.4.4; en-us; DW-UBT7W Build/KTU84P) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4