Firmware guides, mobile backup tutorials, importing contacts and simple flashing mobile firmware. Sydney CBD Repair Centre gives you some fixes.
Sydney CBD Repair Centre will also do your mobile backup for you. If you happen to be the DIY kind of guy or gal, you can follow our guidelines on your specific brand of smartphone. Read the steps carefully before doing the operation.
You can follow these steps as closely as possible but in the case of further damage to your smartphone: both hardware and software, is solely your responsibility. If in doubt or in case of hardware malfunction, seek professional help immediately.