Redmi Note 4 MTK Dual SIm - Xiaomi Redmi Note 4 Questions & Answers

Good Morning,
I have Xiaomi Redmi Note 4 MTK Dual Sim, i bought it from china and flash it with the international 8.0.4.0 version, but i noticed that 4G as a problem, when it looses connection it doenst catch it again, i have to turn it off wait a litle time, then turn it on, do know this problem? can i fix it? I'm from Portgual and the phone even with international firmware doenst have Portugal language and Location.
regards

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Xiaomi and USA use....?

Hey everyone!
Currently a user of an RR rooted oneplus 3. Love the phone but I keep hearing good things about Xiaomi.
I must admit I'm curious, especially with the Mi Mix 2 coming out. How are Xiaomi phones on US cell networks? I would mainly be using AT & T. I have no problem putting custom roms etc on my phones so that's not an issue.
I just wouldnt want to be stuck with a phone that had bad 4G/LTE support.
Pros and cons of going with a Xiaomi phone vs say the one plus 5, or a true US supported phone like the LG V30 or upcoming pixel XL2 or even the asus zenphone 4 pro?
Curious to see what everyone has to say .
slyyke said:
Hey everyone!
Currently a user of an RR rooted oneplus 3. Love the phone but I keep hearing good things about Xiaomi.
I must admit I'm curious, especially with the Mi Mix 2 coming out. How are Xiaomi phones on US cell networks? I would mainly be using AT & T. I have no problem putting custom roms etc on my phones so that's not an issue.
I just wouldnt want to be stuck with a phone that had bad 4G/LTE support.
Pros and cons of going with a Xiaomi phone vs say the one plus 5, or a true US supported phone like the LG V30 or upcoming pixel XL2 or even the asus zenphone 4 pro?
Curious to see what everyone has to say .
Click to expand...
Click to collapse
I'm using Redmi note 4 global Version in USA on T-Mobile. You just need to do a little research on what frequency at&t uses. Or what bands they use. For me I'm only getting 1 LTE band supported which is band 4. I get lte everywhere and it's fast. This is what at&t supports 17(700Mhz), Band 5(850Mhz), Band 2(1900Mhz), Band 4(1700/2100Mhz) currently. You can use this http://www.china-prices.com/phone/bands/7131/xiaomi-redmi-note-4-64gb to check compatibility with Chinese phones it's pretty accurate. So I just looked it up the global Version of Redmi note 4 you would get 2 LTE bands. Better than what I get. You can research other xiaomi phones as well.
---------- Post added at 03:26 AM ---------- Previous post was at 03:24 AM ----------
allrockedout said:
I'm using Redmi note 4 global Version in USA on T-Mobile. You just need to do a little research on what frequency at&t uses. Or what bands they use. For me I'm only getting 1 LTE band supported which is band 4. I get lte everywhere and it's fast. This is what at&t supports 17(700Mhz), Band 5(850Mhz), Band 2(1900Mhz), Band 4(1700/2100Mhz) currently. You can use this http://www.china-prices.com/phone/bands/7131/xiaomi-redmi-note-4-64gb to check compatibility with Chinese phones it's pretty accurate. So I just looked it up the global Version of Redmi note 4 you would get 2 LTE bands. Better than what I get. You can research other xiaomi phones as well.
Click to expand...
Click to collapse
Also switch service to mint sim for $25 a month with unlimited talk text and 10gb of data. Redmi note 4 global Version 3gb around $150 and the 4gb version around $200.
There are some xiaomi phones that support more bands but they do cost more. A unlocked phone in the USA you should be getting at least 3 LTE frequencies support. Like on T-Mobile there are 3 main bands. 2 4 and 12. 12 is for when your inside and it penetrates through buildings. At&t might have the same type of thing with 850mhz. Lower the frequency the farther it can travel.
Feel free to direct message me if you have more questions I've basically researched all available xiaomi phones. I can help you with compatibility
You don't have to worry about bands support, if it doesn't support bands on USA, You can unlock all bands on Mido, 1-41 bands can be unlocked
adekboreanaz said:
You don't have to worry about bands support, if it doesn't support bands on USA, You can unlock all bands on Mido, 1-41 bands can be unlocked
Click to expand...
Click to collapse
So basically as long as the soc's modem supports it then there are ways to unlock it. I am unfamiliar with Mido. What is that? I am going to be targeting a Snapdragon 835 phone here in the next month or two. Hopefully we will see on the 11th the mi mix 2 getting that Soc.
slyyke said:
So basically as long as the soc's modem supports it then there are ways to unlock it. I am unfamiliar with Mido. What is that? I am going to be targeting a Snapdragon 835 phone here in the next month or two. Hopefully we will see on the 11th the mi mix 2 getting that Soc.
Click to expand...
Click to collapse
I'm not sure about the first line, but here on RN4 it can be unlocked with other version of RN4 who had All bands unlocked
Mido is code name for Redmi Note 4, every devices on Xiaomi have their own code name
I think yes it will be getting 835
I think it will be support for Mi Mix 2 on USA, i know someone who had mi6 basically had same soc, and he can used it in USA
Unlocking bands is not easy at all.. it's possible in theory, but it's extremely complicated and dangerous you can completely brick your phone.
Dont even consider this, i dont know what this guy above is talking about. Maybe he will present us unlocked all bands if this is so easy?
k3lcior said:
Unlocking bands is not easy at all.. it's possible in theory, but it's extremely complicated and dangerous you can completely brick your phone.
Dont even consider this, i dont know what this guy above is talking about. Maybe he will present us unlocked all bands if this is so easy?
Click to expand...
Click to collapse
It's easy and it will not brick your phone, only signal loss and you can restore your backup if anything happened (signal loss)
I have the redmi note 4x international with snapdragon soc on cricket (att prepay service). I cant say about the mi max 2 but my device works great with att network. The phone came with the global rom installed and all I had to do was put a sim in it. Network was found, data worked, sms and mms both worked. Have had no issues with the phone on cricket/att.
Just like to follow up with my post. Did some digging and apparently mi mix 2 will be fully capable in the US as the mi mix 2 will ship with a global version that has Google play support. Very cool stuff if this article is to be believed. https://www.google.com/amp/s/www.fo...ix-2-was-built-with-the-u-s-audience-in-mind/
slyyke said:
Just like to follow up with my post. Did some digging and apparently mi mix 2 will be fully capable in the US as the mi mix 2 will ship with a global version that has Google play support. Very cool stuff if this article is to be believed. https://www.google.com/amp/s/www.fo...ix-2-was-built-with-the-u-s-audience-in-mind/
Click to expand...
Click to collapse
Yes it was announced that Mi Mix 2 will support global LTE bands
So basically it should work everywhere.
https://www1-lw.xda-cdn.com/files/2017/09/21430597_1498964703472451_3339054990448497680_n.jpg
allrockedout said:
I'm using Redmi note 4 global Version in USA on T-Mobile. You just need to do a little research on what frequency at&t uses. Or what bands they use. For me I'm only getting 1 LTE band supported which is band 4. I get lte everywhere and it's fast. This is what at&t supports 17(700Mhz), Band 5(850Mhz), Band 2(1900Mhz), Band 4(1700/2100Mhz) currently. You can use this http://www.china-prices.com/phone/bands/7131/xiaomi-redmi-note-4-64gb to check compatibility with Chinese phones it's pretty accurate. So I just looked it up the global Version of Redmi note 4 you would get 2 LTE bands. Better than what I get. You can research other xiaomi phones as well.
Hello even I got Redmi note 4 64gb iam using with lycamobile but for some reason iam stuck with 2g , can u plz help how ur getting 4g on T-Mobile . I tried playing around with apn but its the same plzz I will really appreciate if u can put me to right settings thanks.
Click to expand...
Click to collapse
sunny777 said:
allrockedout said:
I'm using Redmi note 4 global Version in USA on T-Mobile. You just need to do a little research on what frequency at&t uses. Or what bands they use. For me I'm only getting 1 LTE band supported which is band 4. I get lte everywhere and it's fast. This is what at&t supports 17(700Mhz), Band 5(850Mhz), Band 2(1900Mhz), Band 4(1700/2100Mhz) currently. You can use this http://www.china-prices.com/phone/bands/7131/xiaomi-redmi-note-4-64gb to check compatibility with Chinese phones it's pretty accurate. So I just looked it up the global Version of Redmi note 4 you would get 2 LTE bands. Better than what I get. You can research other xiaomi phones as well.
Hello even I got Redmi note 4 64gb iam using with lycamobile but for some reason iam stuck with 2g , can u plz help how ur getting 4g on T-Mobile . I tried playing around with apn but its the same plzz I will really appreciate if u can put me to right settings thanks.
Click to expand...
Click to collapse
Make sure your sim is in Sim slot 1 which is the one that goes farthest inside phone that's the only one that works for LTE.
Looks like your carrier runs off the t mobile network. You have lte band 2 4 and 12. There are also multiple versions of redmi note 4. If you have redmi note 4 global version which runs the snapdragon processor you should be ok and getting LTE on band 4.
Also depending on what area you are in and the cell towers in your area you could be to far from LTE cell towers. Good luck
Go into sim apn settings there should be one already setup called fast t mobile. Because I'm pretty sure your on t mobile network you can select that and get LTE.
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Click to collapse
allrockedout said:
sunny777 said:
Make sure your sim is in Sim slot 1 which is the one that goes farthest inside phone that's the only one that works for LTE.
Looks like your carrier runs off the t mobile network. You have lte band 2 4 and 12. There are also multiple versions of redmi note 4. If you have redmi note 4 global version which runs the snapdragon processor you should be ok and getting LTE on band 4.
Also depending on what area you are in and the cell towers in your area you could be to far from LTE cell towers. Good luck
Go into sim apn settings there should be one already setup called fast t mobile. Because I'm pretty sure your on t mobile network you can select that and get LTE.
Click to expand...
Click to collapse
Thanku so much for the detail reply , yes sim slot is 1 and yes it runs on tmobile towers . my note 4 version looks global 625snapdragon, 64gb 4gb ram running on global miui 9 .I even tried the tmobile fast apn but I cannot get 4g , is there any way to change the bands n check?? what else shld I check. I tried different tower locations but the same E everywhere plz help thanks.
Click to expand...
Click to collapse
sunny777 said:
allrockedout said:
Thanku so much for the detail reply , yes sim slot is 1 and yes it runs on tmobile towers . my note 4 version looks global 625snapdragon, 64gb 4gb ram running on global miui 9 .I even tried the tmobile fast apn but I cannot get 4g , is there any way to change the bands n check?? what else shld I check. I tried different tower locations but the same E everywhere plz help thanks.
Click to expand...
Click to collapse
A good app from the play store is called LTE discovery it will tell you what band or frequency you are on I posted a couple screen shots on a different phone though running MIUI 8 but should be about the same. Also what plan are you on maybe you have used all your data? Also check with your carrier you might have to supply the IMEI number for them to activate it. Are you able to make calls?
Are you able to use the Sim in a different phone and LTE is fine?
Are you sure your not on redmi note 4x?
Click to expand...
Click to collapse
allrockedout said:
sunny777 said:
A good app from the play store is called LTE discovery it will tell you what band or frequency you are on I posted a couple screen shots on a different phone though running MIUI 8 but should be about the same. Also what plan are you on maybe you have used all your data? Also check with your carrier you might have to supply the IMEI number for them to activate it. Are you able to make calls?
Are you able to use the Sim in a different phone and LTE is fine?
Are you sure your not on redmi note 4x?
Click to expand...
Click to collapse
so I installed the app under signal tap lte bars negative only edge bars shows full , I inserted the same sim to Samsung s7 edge and I get lte right away , and yes I did the same apn setting as shown in screen shot I don't know wht else shld I try....
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Click to collapse
sunny777 said:
allrockedout said:
so I installed the app under signal tap lte bars negative only edge bars shows full , I inserted the same sim to Samsung s7 edge and I get lte right away , and yes I did the same apn setting as shown in screen shot I don't know wht else shld I try....
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I sent a you a private message so you can contact me
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cidxtc said:
I have the redmi note 4x international with snapdragon soc on cricket (att prepay service). I cant say about the mi max 2 but my device works great with att network. The phone came with the global rom installed and all I had to do was put a sim in it. Network was found, data worked, sms and mms both worked. Have had no issues with the phone on cricket/att.
Click to expand...
Click to collapse
Does LTE actually continue to work for you after you make a voice call or when it otherwise switches to something other than LTE?
Because I'm on cricket as well and mine never goes back to LTE once it switches to H+. I've gotta go into preferred network and switch to to Prefer 3G and back to Prefer LTE to make it work again.
I've tried it with an AT&T prepaid sim as well. I've also done a factory reset, tried the nano sim in slot 2 and also in a micro sim adapter in slot 1. All with the same result. I've got good LTE signal on band 4 all over the place which works perfectly when it's connected. But if I make a phone call or walk into the center of home depot where the signal drops for even a second, it will go to H+ and literally never switch back.
dennygreen said:
Does LTE actually continue to work for you after you make a voice call or when it otherwise switches to something other than LTE?
Because I'm on cricket as well and mine never goes back to LTE once it switches to H+. I've gotta go into preferred network and switch to to Prefer 3G and back to Prefer LTE to make it work again.
I've tried it with an AT&T prepaid sim as well. I've also done a factory reset, tried the nano sim in slot 2 and also in a micro sim adapter in slot 1. All with the same result. I've got good LTE signal on band 4 all over the place which works perfectly when it's connected. But if I make a phone call or walk into the center of home depot where the signal drops for even a second, it will go to H+ and literally never switch back.
Click to expand...
Click to collapse
I have never had a problem with it switching back to lte. I a running miui 9.
cidxtc said:
I have never had a problem with it switching back to lte. I a running miui 9.
Click to expand...
Click to collapse
oh OK. Im on 8.5.4.0. I should probably try 9, or Lineage soon.
I did actually witness this thing switch from H+ to LTE today, I couldn't believe my eyes. It was out in the middle of nowhere, and the LTE signal showed 1 bar, so apparently the H+ must have been even worse.
Guys H+ is fast too, I think it's like up to like 168mbps. Personally I have no problems with LTE but I prefer to use H+ because it's enough of speed for everything you could think of, obviously the signal is better then 4g and it's easier on battery.
Edit:
Actually it seems like H+ can be even faster then LTE.
https://support.freedompop.com/app/featured/answer/id/3238

No 4G / LTE on Note 4x

Hi there I have a Redmi Note 4x International version Snapdragon, 3GB + 32GB). And I have this phone since 3 or 4 weeks. So far so good. But one (BIG) downside: I haven't been able to connect to 4g so far.
I know the a phone ain't capable of 800mhz 4g, but 1800mhz should be possible.
I am in Utrecht, Netherlands and my carrier, Vodafone should have 4G via 1800mhz here. 4G works instant on my broken Oneplus X.
Anyone ideas to help me out? Thanks in advance
Vennesch said:
Hi there I have a Redmi Note 4x International version Snapdragon, 3GB + 32GB). And I have this phone since 3 or 4 weeks. So far so good. But one (BIG) downside: I haven't been able to connect to 4g so far.
I know the a phone ain't capable of 800mhz 4g, but 1800mhz should be possible.
I am in Utrecht, Netherlands and my carrier, Vodafone should have 4G via 1800mhz here. 4G works instant on my broken Oneplus X.
Anyone ideas to help me out? Thanks in advance
Click to expand...
Click to collapse
Try to use "network signal guru " (search on Google playstore ). You can lock bands using that app .hope it helps
Vennesch said:
Hi there I have a Redmi Note 4x International version Snapdragon, 3GB + 32GB). And I have this phone since 3 or 4 weeks. So far so good. But one (BIG) downside: I haven't been able to connect to 4g so far.
I know the a phone ain't capable of 800mhz 4g, but 1800mhz should be possible.
I am in Utrecht, Netherlands and my carrier, Vodafone should have 4G via 1800mhz here. 4G works instant on my broken Oneplus X.
Anyone ideas to help me out? Thanks in advance
Click to expand...
Click to collapse
There is no international version of Note 4x. This is asian variant and is missing some frequencies used in EU - for example B20. International version is Redmi Note 4 Global. (why didn't you get it instead?)
As for your question, from what i see majority of antennas used by Vodafone in NL uses 800MHz (B20) so maybe you are not in range of 1800MHz.
You can also try to setup your VPN's manually.
http://4gmasten.nl/dekking/4g/vodafone-4g
There is no international version of Note 4x. This is asian variant and is missing some frequencies used in EU. (for example B20) International version is Redmi Note 4 Global. (why didn't you get it instead?)
As for your question, from what i see majority of antennas used by Vodafone in NL uses 800MHz (B20) so maybe you are not in range of 1800MHz.
You can also try to setup your VPN's manually.
http://4gmasten.nl/dekking/4g/vodafone-4g[/QUOTE]
Thanks for your reply. I got this phone because in my region there should be plenty 1800mhz antennas from what I saw on the map on that very page you mentioned. Even in Amsterdam I had no 4G reception.
Check attached map from Vodafone site. If iPhone 5 has 4G mine should have it as well, right?
Boomshiva said:
Try to use "network signal guru " (search on Google playstore ). You can lock bands using that app .hope it helps
Click to expand...
Click to collapse
Tried it, no luck on band 5
No one?
Try to setup APN's again, manually.
k3lcior said:
Try to setup APN's again, manually.
Click to expand...
Click to collapse
No difference unfortunatly
You cannot return it anymore? I would just replace it with Global variant with B20.
On the other side do you really need LTE? H+ can be as fast and even faster than 4G (download), LTE has just much higher upload speeds.

Can anyone help me get 4g+ working on my redmi note 5?

Hey guys, i have a redmi note 5. That i bought in france from fnac (the biggest electrical retailer here)
I should have lte 4g+ with my sim, i have tested on a friends phone, but i only get 4g on my phone.
I have been trying to look up what to do to fix this problem but i'm lost (not great with phones)
From what i have read it is to do with the bands that are active in different countries.....
Thanks for any help you can give <3
From what i know he Redmi 5 plus (Vince) doenst have the band 20 and 28 needed to 4g+.
Only the Note 5 Pro. (Whyred)

Problem with LTE :(((

Guys olease help me, i bought this phone 3 weeks ago and i realised that my girlfriend in same places have better LTE than me, often i dont even have LTE and she does. She have Samsung Galaxy S50 i have Redmi Note 9 Pro 128GB bought in Poland and i live also in Poland. I figured out that i probably dont have 800 MHZ LTE and she does, can it be problem? How i can fix it and connect through my phone to 800mHZ... I found that global version of my phone have this freqneucy and mine probably have not, is it true? Really they can sold me in famous polish shop phone with no having basic 800 MHz lte? Cant believe...
I post here screenshot with my phone info, thanks for any help.
Have you bought your phone in India? If not, you HAVE the global version.
Doea your phone have 64MP cam and NFC? Then you have the Joyeuse, which IS the global Note 9 Pro.
If your phone has 48MP back cam and no NFC, it is the INDIAN "Note 9 Pro" which is the same as the globla Note 9s.
By the way, both, 9s and 9 Pro, has LTE Band 20 (800MHZ).
Does your provider feature LTE?
Does your contract have LTE inclusive?
If so, is your phone set up to use LTE Band in the settings?

Question 4G+ not showing / working

Hi all, sorry if its not relevant to post here but i need help. I am using poco m4 pro 4G (g96) version which is 4G+ supported phone but it doesn't show 4g+ when mobile data turned on. While my 3 years old redmi note 8 pro showing 4g+ in exact same place exact same network sim card etc. I have tried messing with Apns and engineering mode settings but everything seems fine. Any idea what's going on?
n70shan said:
Hi all, sorry if its not relevant to post here but i need help. I am using poco m4 pro 4G (g96) version which is 4G+ supported phone but it doesn't show 4g+ when mobile data turned on. While my 3 years old redmi note 8 pro showing 4g+ in exact same place exact same network sim card etc. I have tried messing with Apns and engineering mode settings but everything seems fine. Any idea what's going on?
Click to expand...
Click to collapse
Probably because
1. Both phones support different 4g+ bands, and your carrier might not support the bands which is compatible with the Poco M4 Pro.
2. Xiaomi probably forgot your carrier exists and maybe the phone's firmware lacks the necessary configurations required to support 4g+ with your carrier.
Hi. Happens the same to me.
Moto g52 uses 4g+ meanwhile poco m4 pro 4g doesn't. Same operator(ho mobile, Italian virtual of Vodafone) , some place. Nothing we can do but changing phone. By the way even without 4g+ it works fine so we have to live with that since there is no way to enable it.

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