Default [Q] What LTE band does Kindle fire HDX (AT&T) use? UK and US share the same LTE band?

Dear members,

I have been searching for some info but to no avail. Maybe this thread can help lots of other members.

Q: What LTE band does kindle fire HDX(AT&T) use?
Q: UK set and US set share the same LTE spec?

I can use a singapore SIM card on the kindle fire HDX but it show 3G logo only where mine is a 4G SIM card.

Hope some brother here can help to make this thread informative.

Kindle Fire HDX can work with local SIM card. THERE IS NO LTE SUPPORT. You can only get 3.5G[/B]

SIM Card Holder

Connected to M1 GSM

Mobile Network option

3G Network Speed