7.Cannot use the Cellular data.|
Please contact the carrier and ask for what their frequency bands are. And you'll know if their frequency bands are included in the following, which Ulefone Power is compatible with.
GSM: 850/900/1800/1900 (band5,band8,band3,band2）
WCDMA: 900/2100 (band8,band1)
FDD-LTE: 800/900/1800/2100/2600 (band20,band8,band3,band1,band7)