6030 insert sim

[linekbp]

hi guys i have a 6030 insert sim , i changed two sim ics but still the same . the phone starts well then suddenly after some minutes it shows insert sim , then in 2 seconds again normal network comes you can make calls and all, then again the same, i have changed the system connector also, cleaned the pcb also, but still same problem , can anyone help?

[richard_wifi]

bro,remove the sim ic and make jumper

[Boobalan]

clean the sim tray,change the batt,b.connector