I’m here on a caravan site near to Salisbury (UK) and my wife’s FF3 and my FF3+ are next to one another. Mine (3+) is getting a good 4G signal and hers (3) is getting a rather midding 3G signal. What’s going on?
Nick
Possible different settings, if you have the same netowrk etc.
One phone will always be a little better and how do you determine the strength of the siganl the icons are not a good comparrison but and are only relative to the phone.
Same network (Three Mobile). Phones next to one another. I can only detrmine the strength of the signal by the icons on the phones. Are there other ways? But I do know that the strength of the signal, with the phones within millimetres of each other, will be nearly equal.
N
Yes the signal is likely the same but the wavelength is in the range of inches so can be effected by position. But you don’t say the reception is any different just the bar reading, which is cosmetic not functional.
If the reception is repeatedly worse on one phone then it is likely there is a hardware factor if you can assess all software is identical, which can only be done with a factory reset with the same OS on each phone.
Without a facory reset it’s a lot of work to go through all the seetings to rule out a software issue.
However the FP3+ and FP3 do not have the same core modules, so there could be a difference in the hardware. Ideally you will ‘need’ another FP3+ and FP3 to compare.
But again all you’ve said is that the icon is different, so there’s no idication of a problem just a possible visual discrepancy.
I take it that usually you both see identical values and that the problem has only appeared in your current circumstances?
Did you check Settings>Network and Internet>Mobile network>Preferred network type
Yup.
Both the same: Automatic (4G/3G/2G)
n
Are the APN settings the same, and how old are the SIM cards?
It can also be a configuration issue on the operator’s side, did you already have contact with Three about it?
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The internal antennas are connected by contacts which can oxidate (not gold plated) and this probably causes less signal. For cleaning the contacts the Display Modul must be disassembled.
Oxidated contacts can be identified by gray color instead of bright silver.
As my experience with each FP Generation less signal quality leads to slower WiFi connection.
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You mean the display module must be removed or disassembled.
Disassembling any module will void any warranty that exists.
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sorry I´m a German 
the module should be removed from the phone because the contacts to clean are on the backside of the module. Please do not disassmble the display module itself.
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My wife has a FF 3. I have a FF 3+.
The two phones are next to one another. The 3+ has a full strength 4G signal which sometimes shows 4G+. The FP 3 has a week 3G signal. Is this a phone problem or a network problem.
All ideas gratefully received!
Edited to add: Just caught up with the other thread that I started ages ago. It appears that some replies were written that I missed. I need to remove the display module and clean the contacts. I haven’t tried that yet so don’t bother replying to this thread for the moment. (Unless you really want to!)
Nick
I don’t see removing and cleaning the display module will touch that issue.
Do both phones have the same setup under Network etc, are both phones using the same network.
What OS and version are you each using.
Check the APN settings to see if they are the same.
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Both are on the same network.
FP 3+
Android version 11,
Android Security update 5 June 2023
Build number: 89+01.4.A.0023.0 release keys
FP3
All the same.
There is lot of other information which is exactly the same for both phones. Do you need any of it?
I’ll check the APn settings now…
…at least I would if I could find out how! Could you enlighten me, please?
In hunting for the APn settings I discovered that the switch for 4G calling in the SIM settings was off. I have switched it on and all is now sorted.
Thanks for the hints, Amoun.
Nick
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I moved your new post into your old one
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