Wirelessly posted (Mozilla/5.0 (Linux; U; Android 4.0.3; en-gb; SAMSUNG GT-I9100/I9100BVLPB Build/IML74K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30)

Handwritten changes to BPs are pretty common for op-ups at the gate - I've had this many times. Nothing suspicious about that in itself, IMO.