How to treat Sony Xperia PRO-I licensed products?

1, look at the serial number: the serial number of Sony XperiaPRO-I mobile phone, just like the ID card of Sony XperiaPRO-I mobile phone, the IMEI number of each machine is unique. Generally speaking, it can be judged whether Sony XperiaPRO-I is licensed.

2. Look at the usage record: Look at whether the games, short messages, phone books, call records, homemade ringtones and other items in Sony XperiaPRO-I have been used. If this is the case, Sony XperiaPRO-I is probably not licensed.