samsung j1 cant connect to o2 or tesco .. duel sim phone nether one registers please help

[myac4me]

i bought the duos phone from a 2nd hand dealer but when i tryed both sims yesterday and today still no joy

 

[webworkings]

You need to contact the carrier/service provider to find out if the device will work with their SIM and on their network. Not all devices will.