Galaxy s3

[Graham2]

Can anyone tell me how to get my s3 up and running again it did a system update some time ago and ever since just sits on samsung start up screen flashing have tried the hold down power home and volume keys and reset but still just stays on the flashing samsung screen 

[KellyM]

Hey @Graham2,

It does sound like the phone will need to be looked at by our engineers. Check here for your nearest Support Centre. 

Please note that if you're no longer within the 24 month warranty period, charges may apply. 

Hope this helps!