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Exynos Modems on Nokia Hardware

daviesryan35

Casual Member
I've noticed a recurring problem with Exynos Chipsets on Nokia RAN on the EE network.

Everyone that has had this issue has been on a Samsung phone with a Exynos modem such as a S21, S22 Ultra, A54 5G etc which are Exynos devices. But when you use a phone such as IPhone, S23 Ultra and Fold 3 (Snapdragon) it works fine.

This problem has happened to me, few friends and people on EE forums where you get a un-filled 5G icon but the phone reports "EN-DC Available: true", "DCNR Restricted: false", "NR Available: true", "NR State: NOT_RESTRICTED", "NR_FREQUENCY: UNKNOWN".

The 5G layer shows as connected but it actually isn't and the phone reports the NR Frequency as unknown.

EE themselves have no idea and I've contacted some people that are interested in mobile networks and have close connections to these networks, but am still awaiting a responce.

I've tested this myself as well by putting my native EE sim into my old S21 and in Nokia vendor areas it refuses to connect entirely, but the second I go to a town with E/// it connects perfectly. The second you use a S23 Ultra or a iPhone (which are Snapdragon) in these Nokia areas, they also connect perfectly.

My friend lives near Hull, which is heavily Nokia on EE, and half the time he cannot connect to 5G there. But when he uses 3 (which is mostly Huawei & E/// from my understanding) he has no trouble at all.

I'm not sure who to blame, EE or the chipset/samsung, but I am wondering if anybody has any idea what causes this or if its some sort of misconfiguration on the network.

Other occurrences of this.
EE Thread 1: https://community.ee.co.uk/t5/Mobil...ge-but-only-4G-connection/td-p/1159501/page/2 (In the end, his mast got upgraded again and it started working. I'm guessing he got vendor swapped from Nokia -> another vendor).

I don't have access to NSG, but I have some basic screenshots from the phone.

Just to note, I've had this problem since my S21 was my main phone about 2-3 years ago. And so have others. I moved to a iPhone just because it had a snapdragon modem and never had a problem ever since.

Might be worth me raising a complaint with EE Executive Office if nobody can figure it out.
 

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I also live near Hull and any time I visit, and use EE as my main sim on my Galaxy A54 5G (Exynos chipset), my phone will NOT connect to 5G NR at all from when I pass Hessle until I go out the other side of Hull. It either outright refuses to connect or will flick between being connected and not connected, so in the end, If I am spending the day in Hull, I have to turn 5G off to stop my battery getting absolutely obliterated with it constantly trying to connect. A family Member has an S23 Ultra (Snapdragon) also on EE, and that connects and stays connected fine.
 
I also experienced issues on Pixel in Slough although I didn't have issues in Reading. I don't currently have enough logs to understand what might be causing it
 
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I've noticed a recurring problem with Exynos Chipsets on Nokia RAN on the EE network.

Everyone that has had this issue has been on a Samsung phone with a Exynos modem such as a S21, S22 Ultra, A54 5G etc which are Exynos devices. But when you use a phone such as IPhone, S23 Ultra and Fold 3 (Snapdragon) it works fine.

This problem has happened to me, few friends and people on EE forums where you get a un-filled 5G icon but the phone reports "EN-DC Available: true", "DCNR Restricted: false", "NR Available: true", "NR State: NOT_RESTRICTED", "NR_FREQUENCY: UNKNOWN".

The 5G layer shows as connected but it actually isn't and the phone reports the NR Frequency as unknown.

EE themselves have no idea and I've contacted some people that are interested in mobile networks and have close connections to these networks, but am still awaiting a responce.

I've tested this myself as well by putting my native EE sim into my old S21 and in Nokia vendor areas it refuses to connect entirely, but the second I go to a town with E/// it connects perfectly. The second you use a S23 Ultra or a iPhone (which are Snapdragon) in these Nokia areas, they also connect perfectly.

My friend lives near Hull, which is heavily Nokia on EE, and half the time he cannot connect to 5G there. But when he uses 3 (which is mostly Huawei & E/// from my understanding) he has no trouble at all.

I'm not sure who to blame, EE or the chipset/samsung, but I am wondering if anybody has any idea what causes this or if its some sort of misconfiguration on the network.

Other occurrences of this.
EE Thread 1: https://community.ee.co.uk/t5/Mobil...ge-but-only-4G-connection/td-p/1159501/page/2 (In the end, his mast got upgraded again and it started working. I'm guessing he got vendor swapped from Nokia -> another vendor).

I don't have access to NSG, but I have some basic screenshots from the phone.

Just to note, I've had this problem since my S21 was my main phone about 2-3 years ago. And so have others. I moved to a iPhone just because it had a snapdragon modem and never had a problem ever since.

Might be worth me raising a complaint with EE Executive Office if nobody can figure it out.
I have something similar in my Nokia area.

5GNR only connects once I'm 10+seconds into full speed test or large download. It doesn't kick in just browsing or streaming.
 
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