Hello The issue is with the battery please bring into a repair shop to get the battery replaced

Have you tried another sim as it could be that the Phone is either locked to a network provider or has been blacklisted,

Hi Monika it sounds like a batterie issue so it will need changing to prevent the problem from happening again

Hi The Issue is the battery so it will need replacing and if the problem carries on the laptop could have a ac power fault which stop the communication to battery inserted but always its good to rule out the other things so please try and replace battery

Hi Unfortunately the latest software released by apple is not support for the older devices manufactured by apple as the software its not designed to run on those devices and motherboard so its not supported thanks

Hi Please Try a factory reset of the device and see if that make any difference thanks

This problem actually occurs when there is a problem on your power options, kindly follow the steps below and I hope this helps. Method 1. Restore default power options -Press Windows key + R then type: powercfg -restoredefaultschemes -Restart PC and check. Method 2. Run power Troubleshooter Press Windows key + R then type: msdt.exe /id PowerDiagnostic - Click OK then follow the prompt to run the power troubleshooter -Restart the device after Method 3. Open Control Panel> Click Hardware and Sound > Click Power Options> then click Choose what the power buttons do > Click Change settings that are currently unavailable> Check Sleep (or uncheck then check it again) Click Save Changes then restart. Method 4. Do clean boot: A “clean boot” starts Windows with a minimal set of drivers and startup programs, so that you can determine whether a background program is interfering with your game or program. - In the search box on the taskbar, type msconfig and select System Configuration from the results. - On the...

Hi there, it sounds like an Antenna fault so i suggest you try and replace the antenna and if that doesn't work it will be a motherboard issue . Thanks

I recommend calling Apple support so they can resolve this issue

Hi charlie just to let you replacing lcd and screen will resolve the issue. thanks