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Tozed ZLT X21 review aka Unicom VN007+

You can see B32in the band lock, but you know for a fact B32 is not supported?
Just burnt through the data on a 200mb three sim trying to see it on upload.

1/78 listed here, so control band 1.

Everywhere else lists it as supported apart from the manufacturers website.
 
Just burnt through the data on a 200mb three sim trying to see it on upload.

1/78 listed here, so control band 1.

Everywhere else lists it as supported apart from the manufacturers website.
I'm not even sure how to check the bands in use. I wonder if the dashboard showing 1/78 is exhaustive or just showing the primary + some 5G.
B32 is not not a primary band, may not show up.
 
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Okay currently running instead of a ZTE mf286d.

The ZTE actually performed better, but maybe comparing 5g to 4g isn't fair.
 
Looks like I'm cracking the case open, superadmin cannot be enabled on 1.14 firmware
Is this what you have?
I have been trying to get superadmin for a while with different firmwares .
could the username be different than superadmin.?
 

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Okay currently running instead of a ZTE mf286d.

The ZTE actually performed better, but maybe comparing 5g to 4g isn't fair.

Hi, couple of questions:

1. Do you know how it compares relative to other 5G modems (e.g. MC801A? or the Quectel inside my [poorly performing] ZyXEL NR7101?)

2. Are there options to attach external antennae to the internal boards?
 
Hi, couple of questions:

1. Do you know how it compares relative to other 5G modems (e.g. MC801A? or the Quectel inside my [poorly performing] ZyXEL NR7101?)

2. Are there options to attach external antennae to the internal boards?
1.It performs better if wireless is disabled, and you run it purely as a wired router or ip passthrough modem.
If I compare it to the Quectel in my Chateau 5G, same location, Quectel 300 down, X21 500 down.

2. yes see https://github.com/mattfaraday/vn007 the X21 and the VN007+ are the same device, they share firmware etc

There's a couple of ebayers bidding for a vn007 over here:
 
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What's the x21 like, how does it perform against the x21g?
I am trying to figure that out currently. But i am bit confused about exact model.

A. I have VN007+ with 1.15.1 and it is clearly written at bottom of shell that model is VN007+

B. Now this is where i am seeking expert opinion from @All. At bottom of router, Model name is written as ZLT X21 (So it should be VN007) however when i log in as root, it shows "X21G"

Infact, have a look at system information page - attached side by side and most of important fields matches exactly.

Compare.webp


So,

1. For my X21 (Right side of image), shall i use 1.15.1 firmware which is ideally for VN007+?
2. How do i ensure that i am not using wrong firmware to avoid bricking?

PS : I wont be able to tear down X21 at this stage to check exact chipset.
 
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