Hi.
I have a similar issue. But in my case, the provider is NTEL and they offer only 4G LTE.
I use a BB classic, when I put another sim, say MTN, I get a clear “4G” option, along side other combined options: 4G+3G+2G or 3G+2G. However when I insert the NTEL sim, I get LTE/HSPA+/UMTS/GSM or...