Sometime sony ericsson mobile just blink red light on upper side or sideways red light when we power on mobile and insert charger into mobile . This fault occurs due to gdfs file error. In sony ericsson mobile sometime due to wrong software update or memory card problem gdfs file corrupts and mobile just shows red light blinking.
This red light blinking problem is very complicated in these mobile we have to use setool or cruesior box for this problem quick solution
Here we take setool as example here.
Here are some simple steps for repairing red light blinking problem:
A. First fully charge mobile battery and check problem
B. Secondly connect setool to computer and open setook software
C. Now select brand from brand list and select model here we select w810i
D. This is a db2020 chipset mobile
E. Now select bin file and fs file
F. At last select cust file according to your country
G. Now go to setting tab
H. Tick mark customized phone after flash
I. Now select flash button then it will ask for mobile connection then connect mobile then box will full flash mobile and after all done it will shows all information correctly. Then check mobile now it should power on properly.
Red light blinking problem is major problem so use always appropriate cust file according to your country region otherwise problem will remain same.