My IDEA sim Woking great in other phone. But in M31 sim network are very poor . It must b a hardware isse. Thousands of M31 user facing same problems buy till now Samsung didn't provide any solution.Don't suggest any one to buy this phone .
yes after doing all above problem is still persist , I have sent you log file 4 time but u r replying the above same answer every time rather giving the solution.#samsungcheatedus, #worstcustomersupport, #dontbuysamsung
