Samsung GALAXY J7 PERX - Quick Optimization; Battery

Getting Help For Assistance 164
For Assistance
Thefollowingtopicsaddressareasofsupportforyourphone,includingtroubleshooting,
specifications,accountinformation,warrantyinformation,andcustomerservicecontactinformation.
Troubleshooting
Checkthequestionsandanswersbelowfortroubleshootingsolutionsforcommonphoneissues.
Check Here First
Problem:Phonefreezes/operationisunstable.
Solution:Turnthephoneonagain.Ifyouareunabletoturnthephoneoff,removeandreplacethe
Battery,andthenturnthephoneonagain.Datathatwasbeingeditediserasedafteryourphoneis
poweredonagain.
Problem:Operationisunstableafteranewapplicationwasinstalled.
Solution:Thenewlyinstalledapplicationmaybethecause.UninstalltheapplicationinSafemode.
SeeAppsSettingsformoreinformationaboutuninstallingapps.
ToturnthephoneoninSafemode:
n PressandholdthePower/Lock key>touchandholdPower off,readthedisclaimerforsafe
mode,andthentapOK.
l AfterturningthephoneoninSafemode,“SafeMode”appearsatlowerleft.
l AfterrestartinginSafemode,yourphonecanbepoweredonasusual.
l BeforeturningthephoneoninSafemode,itisrecommendedthatyoubackupimportant
data.
l BypoweringthephoneoninSafemode,addedwidgetsmaybedeleted.
Problem:Cannotusephone,mail,orInternet.
Solution 1:Checkwhetheryouarewheresignalisweakoroutofservicearea.
Solution 2:Powerthephoneonagain.
Solution 3:IsthephoneinAirplanemode?TocheckthatAirplanemodeiscanceled:
l
Fromhome,tapApps >Settings >Connections >Airplane mode.
Solution 4:Isdatacommunicationdisabled?Tocheckthatdatacommunicationisenabled:
l
Fromhome,tapApps >Settings >Connections >Data usage>Mobile data.