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From: Marion <marion@facts.com>
Newsgroups: comp.mobile.android
Subject: Re: 4G or 5G?
Date: Thu, 6 Mar 2025 17:18:33 -0000 (UTC)
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On 06 Mar 2025 10:32:41 +0000 (GMT), Theo wrote :


> Many phones come in different versions and the version for, say, China may
> support different bands from the one for Europe or the US.

Even if a phone doesn't support any particular band, there are public
databases that tell you what towers are in any given area.
 <https://www.cellmapper.net/>

Also, there's roaming, which enables data on multiple carriers I think:
 <https://i.postimg.cc/7hFSk55g/roaming01.jpg> Turn on data roaming
 <https://i.postimg.cc/YCG9NHzT/roaming02.jpg> Check tower frequencies

Anyone can also ask their phone what bands it supports like I did here:
 <https://i.postimg.cc/FFByv7Ps/bands01.jpg> Hidden Network-Mode Activity
 <https://i.postimg.cc/ZKnwPGQ0/bands02.jpg> Hidden Band-Selection Activity
 <https://i.postimg.cc/L5CZHt2k/bands03.jpg> Band selection options
 <https://i.postimg.cc/dVQJkL02/bands05.jpg> T-Mo LTE bands San Jose