Changing Simcard

[G_Dragon]

if i change my simcard do my contacts, messages are gone ? and my whatsapp and viber contacts and chat history is still there or no ??

[Uliwooly]

if you transfer your contacts to your phone's internal storage or Gmail, they will remain, same goes for your messages and/or whatsapp 

[G_Dragon]

how to do that ? can explain ...sory

[Uliwooly · Accepted solution]

Alternatives on How to backup Xperias

http://talk.sonymobile.com/thread/36355