i updated my sim to 4g im using idea 4g but there is no lte only option available

what is dis new 180mb update about....earlier all the updates made the internet worse....will it sollve the internet issue

sir i got my device repaired yesterday...but since the repairmy internet connectivity has become worst...after every 5 to 10 minutes u hav to restrt my phone for normal internet speeds ...after every 5 to 10 mintes the speed degrades from 500 kbps to...

when will j7 prime get oreo