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San Francisco unusable data speeds on LTE band 13
Enthusiast - Level 2


My iPhone X is literally useable in many areas in SF . I've found  that ,via the iPhone field screen, this occurs when the phone switches to LTE Band 13.

One example is 18th Street, between Diamond and Noe St in San Francisco. This is a business area with bars & restaurants, bus stops, subway, etc. On this ST, the phone falls on band 13 and it is unusable and I have to disable LTE to be usable. It's ridiculous that in such a busy area Verizon cannot offer internet to get an Uber. If you walk a block towards 19th street, the phone switches to another LTE band and the speeds are above 40 Mbit. This behavior happens everywhere in SF where my phone is on LTE 13. This also occurs on the nearby Collingwood between 19th and 18th.

The worse is: My phone shows full bars LTE -- How can I have full bars LTE and the data does not work?

There are some electric cables above the ground for the electric buses that maybe are interfering with the signal. AT&T and T-mobile work fine in this neighborhood. Sprint is.... that never works anywhere.

I tested other areas and the LTE band 13 has the same behavior: Full LTE signal but not cannot use data at all.

Is there a way to block this band from my device?  I saw some old comments in here complaining about the same thing .


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Who I have the same questioned this topic