54 - AppendixGoogle Play StoreSystem information and performancePowerRAM / ROMQuestion SuggestionsWhy can’t I connect tothe Play Store?1. First check that you have a Wi-Fi or dataconnection (some Wi-Fi "hotspots" requireyou to log in before accessing the internet)and then try again.2. If you still cannot connect, try adjusting yourdate/time settings. Open Settings > Date &time and turn Automatic date & time off.3. Manually adjust the time and then try toreconnect to the Play Store.Question SuggestionsHow do I check theOS version of mydevice?Tap Settings > About phone to check the OSversion (Build number) and other hardwareand software information.Question SuggestionsI can’t turn on thedevice.The battery power may be depleted. Rechargethe device. See Charging the battery onpage 7 for more information.Question SuggestionsHow do I check theRAM and ROMmemory status?To check the ROM status, tap Settings >Storage & USB.