Call quality - Lenovo ZUK Z2 (Plus) Real Life Review

When you call granny, does she keep saying "Huh?! Wut?!" or does the conversation flow pretty well? Rate this thread to express how you feel about the Lenovo ZUK Z2 (Plus)'s call quality. A higher rating indicates that calls are clear and crisp, and that regardless of background noise, you can hear the other party clearly (and with ample volume) and they can hear you.
Then, drop a comment if you have anything to add!

No issues here, works better than Xiaomis.

Network Mode for sim 2
Hi All,
i am trying to change the network mode for the sim in slot 2 but i did not see the option. could anyone tell if this is possible or it is restricted to sim lot 1 only?

sivaranj.nr said:
Hi All,
i am trying to change the network mode for the sim in slot 2 but i did not see the option. could anyone tell if this is possible or it is restricted to sim lot 1 only?
Click to expand...
Click to collapse
Did you by any chance take a look at the thread where you are posting? Or just posted for the heck of it?
To add on.....call quality is superb. No issues so far.

Charismagic said:
Did you by any chance take a look at the thread where you are posting? Or just posted for the heck of it?
To add on.....call quality is superb. No issues so far.
Click to expand...
Click to collapse
sorry i didnt know to use this. i am new to this. but still i didnot get my answer. how to change network mode for sim slot 2?

Very good call quality. No issues so far.

I am using Indian version of Z2 Plus and so far have used 3 different service provider with 2G/3G/4G and off course 4G VoLTE. (Jio, AirTel, Vodafone)
Presently settled with Jio and AirTel as Dual SIM.
Call quality along with reception has been very good and satisfactory !!

i am using two sims....when i call from sim1 the receiver told me my voice is not clear & when i call from sim2 its clear
i have changed both the sims vice versa but the sim1 voice is not clear at the receiving end
I am on Aex 4.6
kernel heliox beta build august
please help

vatstarun18 said:
i am using two sims....when i call from sim1 the receiver told me my voice is not clear & when i call from sim2 its clear
i have changed both the sims vice versa but the sim1 voice is not clear at the receiving end
I am on Aex 4.6
kernel heliox beta build august
please help
Click to expand...
Click to collapse
I think you should be putting up that issue at the AEX ROM thread.
Just to be sure, change the ROM to check if this happens with all ROM or just AEX. Post the troubleshooting findings at that AEX thread to obtain developer support.
I am with stock ROM and untouched bootloader or recovery and this issue isn't present with my Handset or any other I know of.

Call quality is crystal clear. Excellent I would say!

Related

4g LTE phone calls experience need opinion

Hello can anyone please share your experience specifically on the calling and the texting features ?
Maybe even make a video? No one seem to talk about this at all?
kingrichards said:
Hello can anyone please share your experience specifically on the calling and the texting features ?
Maybe even make a video? No one seem to talk about this at all?
Click to expand...
Click to collapse
Wow no one here have courage? To try this? Lol
C'mon guys pop that SIM card in there and share the experience!!!!!!!!!!
I would like no know this too as I just got the 4G LTE and text messaging works flawlessly, except phone calls as it gives me busy signal on all calls that are made. Don't know what's wrong. The sim card is activated and everything works as it should. Except phone calls..
Adam.S said:
I would like no know this too as I just got the 4G LTE and text messaging works flawlessly, except phone calls as it gives me busy signal on all calls that are made. Don't know what's wrong. The sim card is activated and everything works as it should. Except phone calls..
Click to expand...
Click to collapse
There's really not a lot to talk about. The SM-P601/5 are just giant phones. Anything a N3 can do, they can do. Dialers and MMS/SMS are pretty much the same on every phone and the SM-P601/5 are no exception.
Here's a screen shot...
P.S. - In order to use the voice and messaging features the SM-P601/5 have to be provisioned by your carrier as "phones." Tablet-specific data plans don't support calls or MMS even though the device is capable.
I was waiting for a response and didn't get anyone to chime in so I finally got my note 10.1 p605 so here goes yes you need to get a sim with voice and data plan it will work. I'm currently using it as my phone at the moment and it rocks!
I have the SM-P605 4G LTE and I couldn't figure out how to make phone calls on this device. Can you help?
kingrichards said:
I was waiting for a response and didn't get anyone to chime in so I finally got my note 10.1 p605 so here goes yes you need to get a sim with voice and data plan it will work. I'm currently using it as my phone at the moment and it rocks!
Click to expand...
Click to collapse
natosports said:
I have the SM-P605 4G LTE and I couldn't figure out how to make phone calls on this device. Can you help?
Click to expand...
Click to collapse
Is your SM-P605 from a carrier or Samsung? The U.S. carriers and possibly some others disable voice and MMS and always have in the tablets they offer. If you don't see the Dialer and Messaging apps when you look in the app drawer I'm guessing they've been disabled in whatever version of SM-P605 you have. If you see them and can't use them that means the SIM you're using probably doesn't support voice and MMS. They're either there out-of-the-box or they aren't. If they aren't there's not a lot you can do about it.
BarryH,
I got mine from the Verizon store. I downloaded a Dialer app from Google Play and tried to make a call, but still no go. The app brought up a Dialer, but when I punch in a telephone number, and press Send, it just beeps and does nothing. The Sim card was from my 4G LTE phone. I swapped it over.
I was, however, able to make calls using Google Voice & Groove IP. But man, I would just love to be able to make calls just like a phone.
BarryH_GEG said:
Is your SM-P605 from a carrier or Samsung? The U.S. carriers and possibly some others disable voice and MMS and always have in the tablets they offer. If you don't see the Dialer and Messaging apps when you look in the app drawer I'm guessing they've been disabled in whatever version of SM-P605 you have. If you see them and can't use them that means the SIM you're using probably doesn't support voice and MMS. They're either there out-of-the-box or they aren't. If they aren't there's not a lot you can do about it.
Click to expand...
Click to collapse

[Q] If sim1 is on 3g sim1 is offline

Hi guys, i noticed this big issue using my phone.
If i enable 3g for sim1, sim2 is completely offline (it can't recive or do calls).
If 3g is disabled, both sims work well simultaneously.
As you can undertand in daily use outdoor is a big problem.
Test done in MIUI v37, v45 and v47, Carbon rom, Mooke and CM11.
Have you the same problem? Do you know how to fix it?
Thanks
I have the same problem. It's not your phone or the ROM you are using. It's just that the sims are not full active. The best solutions are:
- Don't use two sims ( I gave up. I have two phones now. Too many missed calls)
- Redirect the calls from a sim to the other(and viceversa)
Hi, I don't know why, but after I wrote this acting on sim settings I found a correct way to receive calls with sim2. Probably just luck in these hours but for now it works! I'll attach a screenshot to show you exactly what I did. Let me know if work also for you, in order to help some other users... [emoji3]

Honor 6X supports Dual card Dual standby

Honor 6X supports only dual card dual standby single pass, which means you cannot use both SIM cards for calls or data services simultaneously.
When you are on a call using SIM card 1, SIM card 2 cannot be used to make or answer calls. If someone calls SIM card 2, the caller will hear a voice message
similar to "The subscriber you dialed is out of the service area" or simlar to that depending on your service provider.
Similarly when you are using SIM card 1's data service, SIM card 2's data service will be disabled.
Why Single Pass ?
Honor 6X single pass feature helps reduce power consumption and increase the phone's standby time.
thats a battery friendly optin, but not everyones gonna like it..
thilak devraj said:
thats a battery friendly optin, but not everyones gonna like it..
Click to expand...
Click to collapse
and how many of us use 2 cards at the same time for calling..unless the 1st call is over, we dont care about the 2nd call
shashank1320 said:
and how many of us use 2 cards at the same time for calling..unless the 1st call is over, we dont care about the 2nd call
Click to expand...
Click to collapse
yes, but sometimes we use one sim for outgoing and another for incoming
thilak devraj said:
yes, but sometimes we use one sim for outgoing and another for incoming
Click to expand...
Click to collapse
That is working fine..If I am on Jio sim for outgoing, I am getting incoming calls on my idea sim and can receive/reject as well.
shashank1320 said:
That is working fine..If I am on Jio sim for outgoing, I am getting incoming calls on my idea sim and can receive/reject as well.
Click to expand...
Click to collapse
As you have mentioned JIO, I would like to confirm once whether you are using JIO voice app for outgoing call (LTE voice Call) ?
Bcos, while we are having outgoing call from JIO voice app, If we get any incoming call in 2nd SIM, the JIO data is disconnected which disconnects the call through it.
If we reject the call in that other SIM, then JIO network gets connected and JIO calls gets re-connected (If the intermediate time is less)
vsriram92 said:
As you have mentioned JIO, I would like to confirm once whether you are using JIO voice app for outgoing call (LTE voice Call) ?
Bcos, while we are having outgoing call from JIO voice app, If we get any incoming call in 2nd SIM, the JIO data is disconnected which disconnects the call through it.
If we reject the call in that other SIM, then JIO network gets connected and JIO calls gets re-connected (If the intermediate time is less)
Click to expand...
Click to collapse
Agreed. just tested this..havent came across such situation earlier and got call only once when I was on call on Jio sim. Yes, I use jio4voice app as this is VOLTE phone but doesnt support the jio Volte yet (Chinese variant)
thanks for highlighting this buddy
shashank1320 said:
Agreed. just tested this..havent came across such situation earlier and got call only once when I was on call on Jio sim. Yes, I use jio4voice app as this is VOLTE phone but doesnt support the jio Volte yet (Chinese variant)
thanks for highlighting this buddy
Click to expand...
Click to collapse
The same happens with my Honor 5X too. That's why confirmed.
Also, I need to know one thing. VoLTE is different for different networks or regions?
vsriram92 said:
The same happens with my Honor 5X too. That's why confirmed.
Also, I need to know one thing. VoLTE is different for different networks or regions?
Click to expand...
Click to collapse
should be regions as bands are mostly the same in one region across different network.
shashank1320 said:
should be regions as bands are mostly the same in one region across different network.
Click to expand...
Click to collapse
Seems that the chinese variant supports B3 and B40 LTE. So now LTE is getting connected in JIO. But VoLTE doesn't work?
vsriram92 said:
Seems that the chinese variant supports B3 and B40 LTE. So now LTE is getting connected in JIO. But VoLTE doesn't work?
Click to expand...
Click to collapse
VOLTE work with Jio app only and not regular dialer...seems because its Chinese version and not compatible. heard that Letv also has same issue but was resolved with software update. once we have Indian version binaries out, we will try to upgrade and see.
shashank1320 said:
VOLTE work with Jio app only and not regular dialer...seems because its Chinese version and not compatible. heard that Letv also has same issue but was resolved with software update. once we have Indian version binaries out, we will try to upgrade and see.
Click to expand...
Click to collapse
So to have VoLTE, we need to purchase the device in the respective region. Right ?
vsriram92 said:
So to have VoLTE, we need to purchase the device in the respective region. Right ?
Click to expand...
Click to collapse
Think so..it supports volte based on the band so could be region specific.
Not everyone's gona like it:crying:
krispy321 said:
Not everyone's gona like it:crying:
Click to expand...
Click to collapse
Especially 5X people don't like it.
vsriram92 said:
Especially 5X people don't like it.
Click to expand...
Click to collapse
Excatly, they could have included it with a snapdragon or else a better gpu

Cant make calls on any Jio Numbers

Hii. Please sumone help me.. I recently purchased d Honor 8 pro from amazon.in. I m using Jio sim in slot 1 and idea sim in slot 2. The problem i m facing is I m not able to make calls on any jio number from my jio sim.. I m able to receive d call but from any jio number. I can call jio numbers from my sim 2. Wenever I place a call to jio number it quickly gets disconnected. It shows unable to connect. But d recipient gets my miss call. Please help.
+1. Same issue here in Delhi Jio. Got the phone today only. Had an issue with SIM earlier, got it replaced. But even after getting new SIM, things are just as you explained.
Might be worthwhile for us to reach out to Honor requesting to fix this in their software update ASAP.
Kalps06 said:
Hii. Please sumone help me.. I recently purchased d Honor 8 pro from amazon.in. I m using Jio sim in slot 1 and idea sim in slot 2. The problem i m facing is I m not able to make calls on any jio number from my jio sim.. I m able to receive d call but from any jio number. I can call jio numbers from my sim 2. Wenever I place a call to jio number it quickly gets disconnected. It shows unable to connect. But d recipient gets my miss call. Please help.
Click to expand...
Click to collapse
Which city are you in?
Sent from my XT1562 using Tapatalk
I am not sure, but this might be the issue...
The sim which is set for Mobile Data by default becomes the Volte network & the other sim switches down to 2g/3g.
Now jio cannot work in 2g/3g mode because it's a 4g only network.
Make sure Jio sim is enabled for mobile data. Then set call and SMS preferences to Jio. And then make the call.
I live in Mumbai
Hi purna.. Thanks fot d reply. But my default data sim is set to Jio. If i enable 4g for other sim den Jio network disappears. I figured out since only one sim can use 4g.. Jio has to b set using 4g
The strange thing is d call gets connected once in 30-40 retries. I dnt knw wat happens but soon again jio calls fails.
+1. Me too facing similar problems but only on few numbers. The call disconnects immediately and the person does get a missed call.
I am from Gujarat.
Contacted the Honor Support
they are looking into the issue and will provide iupdates on 25 26 and 27th. Hope this will solve the issue....
Thanks nikhil for d update
Ho did you contact?
Nikhilmaurya10 said:
they are looking into the issue and will provide iupdates on 25 26 and 27th. Hope this will solve the issue....
Click to expand...
Click to collapse
I also need to update them about the QR Code scanning issue with Paytm
Sivatejav said:
I also need to update them about the QR Code scanning issue with Paytm
Click to expand...
Click to collapse
Bro they will not easily take it as a bug , So many members has to complain about it in CareChat ,
We got the Jio Volte Support like this for our Honor 8 , Go bulk complaints :good:
+1 to the issue!
venugopalu007 said:
Bro they will not easily take it as a bug , So many members has to complain about it in CareChat ,
We got the Jio Volte Support like this for our Honor 8 , Go bulk complaints :good:
Click to expand...
Click to collapse
I am also having QR scanner issue with Paytm as it is not reading the code
Tried many times but failed
Sent from my DUK-L09 using Tapatalk
anil2653 said:
I am also having QR scanner issue with Paytm as it is not reading the code
Tried many times but failed
Click to expand...
Click to collapse
yeah wait for the update :fingers-crossed:
I do have the same problem with jio as far as sim is concerned i am using only 1 sim and whenever i'm trying to call it gets disconnected and the other person gets a missed call only. Please somebody help and i am dam sure there won't be any update from honor.
@JR said:
I do have the same problem with jio as far as sim is concerned i am using only 1 sim and whenever i'm trying to call it gets disconnected and the other person gets a missed call only. Please somebody help and i am dam sure there won't be any update from honor.
Click to expand...
Click to collapse
have to wait for honor update
As I see, it looks that the problem is either from the software on honor 8 pro or from jio's side (from honor)
Jio calling is perfect
I got it on 22nd and calling jio to jio is working perfectly. No problem at all.
CRNair said:
I got it on 22nd and calling jio to jio is working perfectly. No problem at all.
Click to expand...
Click to collapse
can you tell me the present build number

Occasionally unable to receive or make calls on XZ2c

Hi!
I am occasionally unable to receive or make calls on my XZ2c. Specifically, sometimes (say, every few days) people report to me I cannot be contacted although I am in a place where I have good reception. And, in such cases, if I try to make a phone call myself, I cannot. Even more specifically, the caller in these cases hears no ringing and no typical carrier voice message that my phone is off or that I cannot be contacted for the moment; while, when I try to call, nothing happens for a few seconds and then the phone app stops stops trying.
A restart always solves the problem.
Also, it may be the case - but I am not sure - that this happens after the phone has briefly lost reception (for example, in my office, because I exit the elevator, or in my home, as I have a blind spot in the courtyard). This seems to me to be the case based on a few observations but, again, I am not sure about it.
Otherwise, the phone works impeccably, but since I missed a few crucial calls recently this has started to bug me. (Needless to say, my two mostly retired phones, the XZ1c and the OG Pixel, do not have this problem when used in the same environments.)
Any suggestions, please?
I have the same issue - and reboot suddenly resolves it. I've tried to ask over Sony forums, but no reply yet. It bugs me also, but it would be quite hard to report it to Sony service center, as I cannot reproduce the issue myself. (although I think they are aware of the issue) It's a bit strange that my XZ2C has reception problems where my Z5C used to work...
landsome said:
Hi!
I am occasionally unable to receive or make calls on my XZ2c. Specifically, sometimes (say, every few days) people report to me I cannot be contacted although I am in a place where I have good reception. And, in such cases, if I try to make a phone call myself, I cannot. Even more specifically, the caller in these cases hears no ringing and no typical carrier voice message that my phone is off or that I cannot be contacted for the moment; while, when I try to call, nothing happens for a few seconds and then the phone app stops stops trying.
A restart always solves the problem.
Also, it may be the case - but I am not sure - that this happens after the phone has briefly lost reception (for example, in my office, because I exit the elevator, or in my home, as I have a blind spot in the courtyard). This seems to me to be the case based on a few observations but, again, I am not sure about it.
Otherwise, the phone works impeccably, but since I missed a few crucial calls recently this has started to bug me. (Needless to say, my two mostly retired phones, the XZ1c and the OG Pixel, do not have this problem when used in the same environments.)
Any suggestions, please?
Click to expand...
Click to collapse
It would help if you would report what carrier you guys are suffering the problem on and whether volte is enabled and if you have tried more toggle options of which networks to fall back on to make sure you receive calls, there is a way to manually set it to fall back all the way to GPRS 1.5 G manually haha my carrier supports that and i was once deep in the forest and still recieved a 1g call haha. It is not enough coverage on weak signal for 2g or edge calls.
In some cases inside big city where they ONLY have either LTE or WCDMA ON THE NETWORK, then YOU MUST either force it to use LTE only, or wcdma only. That way it does not jump back and forth and miss call. Some big cities i set it to lte only and even in basement or in skyscraper it is always full bars. So it just depends which tower types are in your home area.
ehBrY said:
It would help if you would report what carrier you guys are suffering the problem on and whether volte is enabled and if you have tried more toggle options of which networks to fall back on to make sure you receive calls, there is a way to manually set it to fall back all the way to GPRS 1.5 G manually haha my carrier supports that and i was once deep in the forest and still recieved a 1g call haha. It is not enough coverage on weak signal for 2g or edge calls.
In some cases inside big city where they ONLY have either LTE or WCDMA ON THE NETWORK, then YOU MUST either force it to use LTE only, or wcdma only. That way it does not jump back and forth and miss call. Some big cities i set it to lte only and even in basement or in skyscraper it is always full bars. So it just depends which tower types are in your home area.
Click to expand...
Click to collapse
It's Telenor Hungary, no VoLTE or other "magic" involved. There was a previous thread, which discussed the same issue. Actually I posted it to talk.sonymobile.com also, but please see the attached screenshot - it shows the actual issue. Telenor Hungary shows up as "emergency calls only", while Telekom HU and Vodafone HU seems to be fine. Sometimes switching airplane mode on/off solves the issue, sometimes it's a reboot which makes me able to make/receive calls again. But forcing 2g/3g/lte does not have an effect for me.
viktor1983 said:
It's Telenor Hungary, no VoLTE or other "magic" involved. There was a previous thread, which discussed the same issue. Actually I posted it to talk.sonymobile.com also, but please see the attached screenshot - it shows the actual issue. Telenor Hungary shows up as "emergency calls only", while Telekom HU and Vodafone HU seems to be fine. Sometimes switching airplane mode on/off solves the issue, sometimes it's a reboot which makes me able to make/receive calls again. But forcing 2g/3g/lte does not have an effect for me.
Click to expand...
Click to collapse
If this is the case, it is the SIM cards identification is not consistent to the network tower. Maybe the carrier has updated sim card version if you ask them. If it is emergency calls only logically its the network not authenticating your account based on sim card. It may be sensitive to the phone hardware. I have heard some people on other phone models hadd to ask carrier to provide even old version of their sim card instead of new ones. Try that.
ehBrY said:
If this is the case, it is the SIM cards identification is not consistent to the network tower. Maybe the carrier has updated sim card version if you ask them. If it is emergency calls only logically its the network not authenticating your account based on sim card. It may be sensitive to the phone hardware. I have heard some people on other phone models hadd to ask carrier to provide even old version of their sim card instead of new ones. Try that.
Click to expand...
Click to collapse
Thanks, I'll give it a try today and ask them to replace sim card. Hopefully it will solve the other appearance of this issue also: whenever I have full bars and talking (usually late night driving home to parents, in a well-covered area), audio quality degrades in seconds - at least on my side - and other party is not able hear anything I say. After disconnecting - if I'm able to do so, and phone app does not get stuck with "call disconnecting" message - I'm not able to make/receive new calls, as only the outline appears of signal strength bars. After restart everything works perfectly. Strange, isn't it?
viktor1983 said:
It's Telenor Hungary, no VoLTE or other "magic" involved.
Click to expand...
Click to collapse
Ironically - or maybe not - I am not that far away. I am on Orange Romania. When I search for networks I get essentially the same picture -
Thanks, I will try the SIM trick as well, maybe it helps. I may even go as far as jumping carriers, in fact.
ehBrY said:
If this is the case, it is the SIM cards identification is not consistent to the network tower. Maybe the carrier has updated sim card version if you ask them. If it is emergency calls only logically its the network not authenticating your account based on sim card. It may be sensitive to the phone hardware. I have heard some people on other phone models hadd to ask carrier to provide even old version of their sim card instead of new ones. Try that.
Click to expand...
Click to collapse
Got my sim card replaced, now waiting for the issue to pop up again. (or hopefully not) Actually the guy at carrier said my "white" simcard (about a year old) was a problematic one, replaced it with a new. I don't know if this could be true, but hopefully it'll solve the problem.
ehBrY said:
If this is the case, it is the SIM cards identification is not consistent to the network tower. Maybe the carrier has updated sim card version if you ask them. If it is emergency calls only logically its the network not authenticating your account based on sim card. It may be sensitive to the phone hardware. I have heard some people on other phone models hadd to ask carrier to provide even old version of their sim card instead of new ones. Try that.
Click to expand...
Click to collapse
It seems that replacing the sim card solved the issue, thanks for the hint! I would have never ever thought that a sim card issue may cause such a problem.
I have exactly the same issue and have already a new sim, which doesn´t do the trick for me....any other ideas how to solve this?
no VoLTE or anything like that. T-mobile as carrier
cryss83 said:
I have exactly the same issue and have already a new sim, which doesn´t do the trick for me....any other ideas how to solve this?
no VoLTE or anything like that. T-mobile as carrier
Click to expand...
Click to collapse
No longer have this problem with recent firmwares. The sim change did not solve the problem for me.
landsome said:
No longer have this problem with recent firmwares. The sim change did not solve the problem for me.
Click to expand...
Click to collapse
Thank you for the feedback.
With the recent firmware you mean 52.0.A.8.50 on android9? Do you use stock rom or a custom rom?
cryss83 said:
Thank you for the feedback.
With the recent firmware you mean 52.0.A.8.50 on android9? Do you use stock rom or a custom rom?
Click to expand...
Click to collapse
No, it's the past 4 or 5 firmwares.
cryss83 said:
Thank you for the feedback.
With the recent firmware you mean 52.0.A.8.50 on android9? Do you use stock rom or a custom rom?
Click to expand...
Click to collapse
What an irony! After updating to the latest fw some 2-3 days ago, it's happened again, the first time in some 4 months.
Nooo... I just got my replacement phone today and so i installed all the latest firmwares.... I still have high hopes i won't be affected again.
Has anyone any idea how many phones are affected this way... Can't be all of them otherwise there would have been a flood of threads about that.
Maybe some prior models of this series...
cryss83 said:
Nooo... I just got my replacement phone today and so i installed all the latest firmwares.... I still have high hopes i won't be affected again.
Has anyone any idea how many phones are affected this way... Can't be all of them otherwise there would have been a flood of threads about that.
Maybe some prior models of this series...
Click to expand...
Click to collapse
Did you test different firmware regions?
Maybe your mobile network provider and the baseband aren't compatible (bug).
And did you report Sony that the bug is in the newest firmware?
No i've just used the original settings since i am still in warranty time
But that's why i've asked before if the others were experiencing this issue only with their stock or even with custom roms / fw.
cryss83 said:
No i've just used the original settings since i am still in warranty time
But that's why i've asked before if the others were experiencing this issue only with their stock or even with custom roms / fw.
Click to expand...
Click to collapse
Changing regions doesn't need an unlocked bootloader.
MartinX3 said:
Changing regions doesn't need an unlocked bootloader.
Click to expand...
Click to collapse
For that, do you mean to change the settings in the play store or which settings are you referring to?
cryss83 said:
For that, do you mean to change the settings in the play store or which settings are you referring to?
Click to expand...
Click to collapse
Just use xperifirm and newflasher to apply a different region.
But remove the userdata.sin if you don't want a full wipe.

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