Samsung SGH-A877 Impression Cell Phone "10 fully charge" Questions

...fully charges and shows all bars, it will shut off after being on only 10 minutes. I've gotten a new battery and a new charger and still does the same thing. why does it do this? there may be some ...

...are not intended to be run completely dead. New batteries should be allowed to discard to less than 10% and fully recharged the first 4times of use. After that it ddoesn't matter when it's

10 sec and vibration activated *#9998*862# Vocoder Reg - Normal, Earphone or Carkit *#9998*872# Diag *#9998*947# Reset On Fatal Error *#9998*999# Last/Chk *#9998*9266# Yann debug screen (Debug Screens

10 sec and vibration activated *#9998*862# Vocoder Reg - Normal, Earphone or Carkit *#9998*872# Diag *#9998*947# Reset On Fatal Error *#9998*999# Last/Chk *#9998*9266# Yann debug screen (Debug Screens

10 sec and vibration activated *#9998*862# Vocoder Reg - Normal, Earphone or Carkit *#9998*872# Diag *#9998*947# Reset On Fatal Error *#9998*999# Last/Chk *#9998*9266# Yann debug screen (Debug Screens

10 sec and vibration activated *#9998*862# Vocoder Reg - Normal, Earphone or Carkit *#9998*872# Diag *#9998*947# Reset On Fatal Error *#9998*999# Last/Chk *#9998*9266# Yann debug screen (Debug Screens

10 sec and vibration activated *#9998*862# Vocoder Reg - Normal, Earphone or Carkit *#9998*872# Diag *#9998*947# Reset On Fatal Error *#9998*999# Last/Chk *#9998*9266# Yann debug screen (Debug Screens

10 sec and vibration activated *#9998*862# Vocoder Reg - Normal, Earphone or Carkit *#9998*872# Diag *#9998*947# Reset On Fatal Error *#9998*999# Last/Chk *#9998*9266# Yann debug screen (Debug Screens

...fully charged. if i dont use it it will be dead in an hr or two. i just used it and i was on the phone for like 10 minutes max and i went from full charge to 2 bars. please help. i love my phone... ...