Sprint 7700 dual sim charging solution

This solution is very usefull for sprint 7700 dual sim phone repair. This is sprint 7700 dual sim charging solution.View the picture and work step by step.

 

How to do this work : If You see your phone is not charging then first check your charger next check phone's charging port.If they are ok but problem still then check this charging ways.If charging ways is ok but problem same then check and change red mark parts.This solution also work,Charging showing but charge not store.

Sprint 7700 dual sim ringer solution

Sprint 7700 dual sim very popular phone in bangladesh.Sprint 7700 dual sim ringer problem is very rear.But it is very necessary solution.So I make this solution. Now share sprint 7700 dual sim ringer solution.

 

How to do this work : If your phone's  loud speaker is not work or low sound then check speaker,If speaker ok but problem still then check ringer ways following picture if ringer ways ok but problem same then rehot or replace ringer ic.

Sprint 7700 dual sim power button solution

New sprint 7700 is dual sim phone.New 7700 phone is different of old 7700.So it's solution is different.Now I showing how to solve sprint new 7700 dual sim power button problem.

 

How to do this work : If your phone has power button not work after phone on  or phone on but keypad not work.Then first check power button ways and see result if problem not solve then rehot or reball processor ic.

You can also view this 

Old sprint 7700 power button ways

sprint 7700 dual sim keypad solution

This is the very common problem of sprint 7700 dual sim phone.Sprint 7700 dual sim maximum set has keypad problem.Some phone is auto work # key,Some phone is auto Work 1 key and some phone is other auto work other key.

 

How to do this work : If your phone has this problem if your phone keypad auto work then first open keypad sticker and clean full keypad.If problem still then,See your phone's problem If you see keypad auto work then apply 1st solution that mines remove red mark capacitor and see result.If your phone's problem still then apply 2nd solution just rehot possessor ic very carefully or re-ball ic