Talk:Latvia/@comment-84.119.234.13-20170816230832/@comment-24682153-20170907080247

When you use a dual SIM device, the secondary (or 2nd) SIM will always be on 3G or 2G only. There are no dual SIM smartphones yet that can carry 4G/LTE at the same time. You need to switch the priority for data to the 4G SIM manually to get 4G, otherwise you will stay on 3G or 2G.