Hello freinds I phone 5s is very usefull phone for businessmen for making quotation in easy way I am using this phone from last 1 year but from last three month iam facing some cahrging issue , I have replace 3 local charger in a month therfore I have googled this issue and found that after updating software u can not use the local charger, the cahrger always show error msg like that charger is not compitable , so pls dont update u r I phone because I phone included this feature in new software.