Yes that is what I meant, sadly it hasn’t been that simple for you.
You may want to try updating the APN settings.
Do you have just the one SIM and do you have a PIN on in it?
There are many posts on resetting the APN, but I’ve never had to do it.
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Thanks I have followed up on another forum.
I don’t think there is a pin associated with the sim.
I have reset the APN to default settings but no luck.
Thanks for trying to help.
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I have the same issue. Also with EE. No mobile data after the most recent software update. Tried multiple restarts, APN updates, switching on/off mobile data, re-inserting SIM card. Still not working. Very frustrating. Basically a dead phone. Not happy at all.
I put my sim in my 2017 Samsung A3 which I switched from a month ago. All works just fine, so clearly a phone-related mismatch. Fairphone are yet to get back to me.
Hi and welcome to the forum
I have created this new topic to deal with this issue on EE in the UK
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I moved all EE parts here, else we will have a split mess over 3 topics
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Thank you. I will switch back to the fairphone again after Christmas to troubleshoot. I have plans over the next few days that require data.
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I’m having the same issue. FP3, EE UK network. Installed security patch yesterday and when I went out this evening I realised my data wasn’t working.
Is there an easy way to uninstall this?
I’m also having same issue. Have spent hours with EE support trying to resolve. SIM works fine in other phones and other SIMs from other networks work fine in the Fairphone. Have ended up buying a new phone to get data back. Factory reset fairphone, still doesn’t work.
Does the problem also occur if you use 3G?
It did for me. No data downloads possible at all but sending whatsapp and fb messenger messages seemed to work fine.
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Sadly there is no convenient or slightly inconvenient way of downgrading the OS
You may like to open a support ticket with Fairphone officially and draw their attention to this topic.
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Thank you all for sharing your experience. If you are affected by this issue and haven’t already done this, submit a ticket. This helps us with prioritizing and you’ll be personally notified if there are progress updates.
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Also got this exact same problem. Fairphone 3+, UK EE, software update, no longer downloading data from my mobile network. Tried a slew of troubleshooting fixes, including but not limited to a factory reset and backup restore, which messed up a number of other unrelated things. So, good to know all that was pointless.
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Thank you for the link to raise a ticket @Yasen_Tomov, I too am having an issue with data connection after the last security patch update from last week.
I’ll follow up with FP support.
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I have the same problem after every update since Android 11. The workaround is setting Network type to 2G, reboot and after that reset to 4G/3G/2G.
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Sadly that is not ‘the’ workaround although it may work for you and some others, but thanks for the update.
Where I reside I don’t have good network signal and use Wi-Fi so I am not bothered but had reason to go to the local village and try out your idea.
Before I left my setting was Auto (4G, 3G, 2G) When I tried to change it the only options I had and still have after reboots and walking around are LTE or 3G. So I have no auto and no 2G ??? Maybe it’s just a network signal anomaly in this area.
Switching between them has no effect on data availability.
Thanks and all the best
Just to note an anomaly.
I was about to leave home, where I have no signal and disabled Wi-Fi and enabled network and data. As I walked away I picked up a signal and data connection. Checked one of my websites for updates and all was fine.
Once I’d lost the network connection the data did not come back up whilst I walked through 4G, LTE+, LTE, 3G and E
I thought for a minute that EE and Fairphone had sorted it 
Hi everyone, I’m having the same issue with EE in the UK, tech support from EE don’t seem to have a clue, I’ve tried everything mentioned above /on forums from resetting APN to full factory reset, the sim status shows it’s getting a signal, but that the mobile internet is disconnected, really frustrating, been three days now without mobile data, which I really need!
Updated android and now cannot use mobile internet - it happened with last update but that resolved by resetting APN. This time I’ve tried APN reset, reboot, factoru reset nothing works. It says it’s connected but only gprs?? Really frustrating - feels like phone is ruined! Any ideas would be appreciated, I’ve sent a ticket but they take ages to reply