I can see Logcat reporting an SSL issue:
10-14 09:02:24.903 1590-4189/? W/System.err: com.clover.common.http.NetworkErrorException: javax.net.ssl.SSLHandshakeException: javax.net.ssl.SSLProtocolException: SSL handshake terminated: ssl=0x6c79b950: Failure in SSL library, usually a protocol error
10-14 09:02:24.903 1590-4189/? W/System.err: error:14094415:SSL routines:SSL3_READ_BYTES:sslv3 alert certificate expired (external/openssl/ssl/s3_pkt.c:1256 0x6db9e308:0x00000003)
Sorry if this isn't much use... I'm not sure how/where to view the certificate in question. We have another mobile devkit under the same Merchant which is working fine.