https://community.sony.lt/t5/5-series/automatic-reboot/m-p/3724671#M1465 <P>If either the SD or SIM card are old or have a defect, they would affect any device they're inserted to. check the phone without each one individually to isolate the root cause.</P><P>&nbsp;</P><P>Also try safe mode, it just leaves the preinstalled software and apps running, disabling anything downloaded, which lets you know if any of which is causing the issue.</P><P>&nbsp;</P><P>From your restart menu, press and hold on the "power off" until it asks if you'd like to restart in safe mode, you agree. give it a run using the phone and see what happens, if it's gone, then clean up the phone, delete the apps you don't need and maybe factory reset it.</P> Thu, 12 Nov 2020 10:47:02 GMT CosmicTomato 2020-11-12T10:47:02Z https://community.sony.lt/t5/5-series/automatic-reboot/m-p/3724529#M1464 <P>My XPeria 5 regularly reboots automatically while i'm using it.</P><P>Does anyone have an idea of what could cause this issue?</P> Wed, 11 Nov 2020 23:13:36 GMT https://community.sony.lt/t5/5-series/automatic-reboot/m-p/3724529#M1464 Platoche84 2020-11-11T23:13:36Z https://community.sony.lt/t5/5-series/automatic-reboot/m-p/3724671#M1465 <P>If either the SD or SIM card are old or have a defect, they would affect any device they're inserted to. check the phone without each one individually to isolate the root cause.</P><P>&nbsp;</P><P>Also try safe mode, it just leaves the preinstalled software and apps running, disabling anything downloaded, which lets you know if any of which is causing the issue.</P><P>&nbsp;</P><P>From your restart menu, press and hold on the "power off" until it asks if you'd like to restart in safe mode, you agree. give it a run using the phone and see what happens, if it's gone, then clean up the phone, delete the apps you don't need and maybe factory reset it.</P> Thu, 12 Nov 2020 10:47:02 GMT https://community.sony.lt/t5/5-series/automatic-reboot/m-p/3724671#M1465 CosmicTomato 2020-11-12T10:47:02Z