Weak or no signals on XZ3 - Sony Xperia XZ3 Questions & Answers

Hi
I am using Sony XZ3 for around 15 months on O2 UK.
For last 4-5 months I am struggling to get good network reception. Changed sim card as well but no luck. I put my sim in my old HTC phone and not had any issues for 2 weeks. What is possibly wrong with the phone or network?
Screen shots attached via Net Monitor Lite app. Why it shows WCDMA connection on LTE or GSM sim?
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Thanks

Same issue. Reception is really bad against other phones.
We need to update the baseband.

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can any one help me make or fined a way to max out my signal out putt an a way so i can trun it back to stock with out softrest? i need this of where i live in cali the signal sucks with at&t thanks for the help guys an btw yes i did do a search but didnt fined anything!!!
aaahhhhhhhhhh WHAT?
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looking for a way to boost my signal becuase i only have 1 bar an my signal is to low for me to even use the web on my phone.
If it’s a Kaiser, try turning 3g off with one of the many com managers about. It worked for me.
Or move to an area with better coverage?

Internet Sharing on Verizon's 8X?

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Everything is fine, apart one thing: Internet Sharing.
It just gives you an error when trying to enable it.
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Any suggestions on fix? Custom ROM, some kind of unlock, or something else?) Please help me)
Have you tried using access point by HTC first? Otherwise no users here have touched HTC WP8 devices, besides my (and @timmymarsh's) little bit of work in the Diagnostic Apps thread.

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I am using Redmi K20 Pro.
It's seven months probably I have purchased.
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I unlocked phone, the wifi and sim network showing and despairing, continually doing this. Then the network is gone.gone means totally gone. It was 5:00 AM closely, so I go to sleep.
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that time was totally gone. now sometimes I get the network and wifi and then sometimes disappearing.
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VoLTE on any Network?

Hello all,
I recently bought a couple of eBay Seller Refurbished Galaxy S20 FEs to use in my switch to Consumer Cellular (MVNO that runs on AT&T towers). I believe they are from T-Mobile originally. However, with the recent decommissioning of AT&T's 3G network I have begun to have trouble making calls. They just end immediately.
Consumer Cellular advises to enable VoLTE or else calls will stop working, but as far as I can see VoLTE is enabled by default with no settings to be set.
I guess I just want to know if this is something caused by my phones or if it's more likely to be something on their end.
For more information, this is my SIM Card status screen
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Upgrade the SIM to a 4G SIM and try.

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