Hi @shelley1972
Backup and factory reset.
If it still happens then contact Samsung and claim under your warranty (if still on cover).
Alternatively take the device to EE and they will give you a price to repair:
https://ee.co.uk/local-repairs
Thanks
To contact EE Customer Services dial 150 From your EE mobile or 0800 956 6000 from any other phone. You can call Freephone +44 800 079 8586 on Skype
EE standard opening hours are Monday to Friday, 8am to 9pm - Saturday and Sunday, 8am to 8pm.
