Band locking

Run this app, and choose ‘MTK Settings’. Then, choose BandMode and a SIM slot where you want the network to lock the LTE band. Then, scroll down to LTE mode and check the Band 40 for that will offer superior speed or the band 5 for a better coverage.

Member

Like if you have Mediatek chip then you need to download MTK Engineering app from play store. Under MTK Settings > Telephony > Band mode, you can select those band you wana to use for LTE. Thank you. then “preferred bandwidth” select bandwidth on which u want to lock your mob.3 Nis 2017