e250 hanging problem

[tps_star]

i have e250 i change charging connector
when i power on in 30 sec all key is hang and not working
and just power off working
please helpme

[geti]

try to write full flash

[microlink_ngn]

try to write full flash

i have same problem, write full flash but hang problem not solved

[faycal_gsm]

i have same problem, write full flash but hang problem not solved
replyc ic power tested