try sa manual kso nag off ang wifi ginaya ko sa tread na 2 http://www.antgsm.com/showthread.php?t=184049&highlight=lua+l21 no luck try sa sigma sucess with tricks
firts put cellphone in fast boot press power and volume+
press volume- to select fastboot
open sigma and follow instruction
finish product
firts put cellphone in fast boot press power and volume+
press volume- to select fastboot
open sigma and follow instruction
finish product