Tool
(Nokia 5310 orig) mini usb
Procedure
: open multiloader ver.5.62
: download mode the phone - volume down+camera+power on
: connect usb mini to the phone
: select the firmware model
: search port
: kung madetect na click download wait until phone flash complete
click here to download multiloader and flashfile b5310 [You must be registered and logged in to see this link.]