Hi,
using the Xiaomi Mi 4i I have some issue with the GSM signal (no signal at all; the sim card is correctly read by the phone so I don't think it is a matter of internal sim slot contact).
I'm moving my attention to the antenna but... which is the GSM antenna?
That does not seem to be a Mi 4i. It is a Mi 4... both are totally different from each other. Please check in Mi4 forums.
hell1134 said:
That does not seem to be a Mi 4i. It is a Mi 4... both are totally different from each other. Please check in Mi4 forums.
Click to expand...
Click to collapse
You're completely right.
Thanks
Antenna
sverza said:
Hi,
using the Xiaomi Mi 4i I have some issue with the GSM signal (no signal at all; the sim card is correctly read by the phone so I don't think it is a matter of internal sim slot contact).
I'm moving my attention to the antenna but... which is the GSM antenna?
Click to expand...
Click to collapse
If you wait some days, i will meassure.
Typicaly the larges antenna work in lowest frequency.
If you can do it, I'm grateful.
Please note this is the Mi4 (no Mi4i)
MI4 - MI4i
sverza said:
If you can do it, I'm grateful.
Please note this is the Mi4 (no Mi4i)
Click to expand...
Click to collapse
Ohh. I have an MI4i. not MI4
check antena cable
Related
Hi, I bought a xiaomi redmi note from china and I didn't realise that I'd bought the chinese TD-SCDMA version, the UK network frequency works on WCDMA. The seller gave me a full refund but didnt take the phones back so I'm trying to see if this can work or else iI'm just going to sell them.
Now the network does work but can only got up to 2G.
I've heard that the MediTek hardware supports both TD-SCDMA and WCDMA however the WCDMA may have been locked.
Is there any way of unlocking it?
Hi, I am in the same boat too... please share if you find out.
Thanks
Neat Rom in Redmi note
Is it possible to use Neatrom in Redmi Note?
I have the same problem but with Lenovo A808t. This is not compatible with 3G & LTE bands in Spain but, I think, It has the same modem that Lenovo A806.
Can I open that bands?
I got xiaomi mi4 from mainland China to India. Here I cannot connect to 3g but my sim is connecting to 3g on other phones. I also tried different networks not working. Please someone help me out.
gautam.. maddineni said:
I got xiaomi mi4 from mainland China to India. Here I cannot connect to 3g but my sim is connecting to 3g on other phones. I also tried different networks not working. Please someone help me out.
Click to expand...
Click to collapse
Have you made sure you have the APN set up correctly??
Also check the Mi4 supports the 3G frequency that your network runs on.
geko95gek said:
Have you made sure you have the APN set up correctly??
Also check the Mi4 supports the 3G frequency that your network runs on.
Click to expand...
Click to collapse
i checked the apn it is ok and the frequencies match to.but wen i try putting the phone in wdcdma only the option doesn't get selected .so i selected Lte/wcdma it says no service.please help me out.
gautam.. maddineni said:
i checked the apn it is ok and the frequencies match to.but wen i try putting the phone in wdcdma only the option doesn't get selected .so i selected Lte/wcdma it says no service.please help me out.
Click to expand...
Click to collapse
That's strange, I didin't have to select any option at all. It worked on O2 network in UK straight out of the box after I set the APN.
I can post a screenshot of my network settings soon if you want, my Mi4 is charging at the moment.
I dnt know what the problem is please help me.
gautam.. maddineni said:
I dnt know what the problem is please help me.
Click to expand...
Click to collapse
Try another providers SIM card.
Edit: Just read you already did that.
Sent from my Xperia Neo V using xda premium
Hmmm, try this;
Settings > Mobile Networks > [Change to 3G/2G]
Just to see if it'll work in the phone, seeing as the SIM works, maybe it's the phone.
Then try;
Settings > About Phone > "Tap" Internal Memory 5 Times > Phone Information > [Change Preferred Network] (Reboot)
Let me know if these things work, also let me know your provider and if you setup your APN info correct.
Thanks!
---------- Post added at 08:55 PM ---------- Previous post was at 08:52 PM ----------
Oh, lol, also. On AT&T I have my preferred network set as [GSM Auto] and that works fine for me.
3g not working on xiaomi mi4
Hi .
I am facing the same issue . When i try to change preffered network type as wcdma in phone information and reboot it automatically changes to default one. Rest all settings are fine . Please help.
Thanks
Rishab
You don't need to reboot, just save the settings. AFAIK.
Hi,
I tried to save it. but how to save it. there is just option of selecting preferred network type as WCDMA preffered in Phone Information but it does not get saved. And in the mobile network setting i have already selected preffered network type as 3g. but it doesnt work.
Please suggest. thanks
Rishab
Just select the option and back out of the menu. Seems to work for me.
Screenshot?
Also, what carrier and plan?
probem
there are more versions of 3g ... there is a 3g china and than 3g unicom that should be identical with the 3g in europe ...
also there are 2 versions of LTE too ... am afraid you picked the wrong package there mate :/
google it that kind of 3g technology you use !!! and what is supported in your country
EDIT >>> .... Look for the Mi4 WCDMA version for Europe and at all costs avoid the TD-LTE/SCDMA ....
3g not working on xiaomi mi4
veladem said:
You don't need to reboot, just save the settings. AFAIK.
Click to expand...
Click to collapse
Hi ,
It still doesnt work. i have tried every setting. in preffered mobile network type and also in phone information.
I get 3g signals well in my other phone. I am helpless. Please suggest a solution to this.
Thanks,
Rishab
rishab.maheshwari said:
Hi ,
It still doesnt work. i have tried every setting. in preffered mobile network type and also in phone information.
I get 3g signals well in my other phone. I am helpless. Please suggest a solution to this.
Thanks,
Rishab
Click to expand...
Click to collapse
could you provide a link to the exact version of the phone you buyed? As mentioned before, there are different versions for different basebands around.
3g not working on xiaomi mi4
toxic_garden said:
could you provide a link to the exact version of the phone you buyed? As mentioned before, there are different versions for different basebands around.
Click to expand...
Click to collapse
hi I use TDD-MI4-CMCC version with 2gb RAM. Also I want to catch basebands signals of WCDMA but my phone seems to be locked with TD-SCDMA signals. it catches GSM signals well but not WCDMA signals.
3g issue on xiaomi mi4
kjub6 said:
there are more versions of 3g ... there is a 3g china and than 3g unicom that should be identical with the 3g in europe ...
also there are 2 versions of LTE too ... am afraid you picked the wrong package there mate :/
google it that kind of 3g technology you use !!! and what is supported in your country
EDIT >>> .... Look for the Mi4 WCDMA version for Europe and at all costs avoid the TD-LTE/SCDMA ....
Click to expand...
Click to collapse
well now that I have confirmed I have TD-LTE/SCDMA version of MI4. is there any workaround or any way out to unlock other basebands.
I am in india where WCDMA works not SCDMA.
please help , life has become vulnerable without 3g.
thanks,
Rishab
rishab.maheshwari said:
well now that I have confirmed I have TD-LTE/SCDMA version of MI4. is there any workaround or any way out to unlock other basebands.
I am in india where WCDMA works not SCDMA.
please help , life has become vulnerable without 3g.
thanks,
Rishab
Click to expand...
Click to collapse
Follow the steps in this thread bro :thumbup: http://forum.xda-developers.com/showthread.php?t=2871269
Hi Rishab
Could you fix this. I have a MI4 from CMCC and am trying to use the same in India (Airtel) and it doesnt seem to work.
rishab.maheshwari said:
well now that I have confirmed I have TD-LTE/SCDMA version of MI4. is there any workaround or any way out to unlock other basebands.
I am in india where WCDMA works not SCDMA.
please help , life has become vulnerable without 3g.
thanks,
Rishab
Click to expand...
Click to collapse
3G not working
gautam.. maddineni said:
I got xiaomi mi4 from mainland China to India. Here I cannot connect to 3g but my sim is connecting to 3g on other phones. I also tried different networks not working. Please someone help me out.
Click to expand...
Click to collapse
Same problem with my Xioami bought from main land china.. it si TD-SCDMA
Any chance of flashing or changing to mode to WCDMA?
how can I tell if my phone is TD-LTE or FDD-LTE
Hi
I bought it in china but at home the 3G is not working. I read that TD-LTE phone will not work outside of China only FDD-LTE.
I attached a screenshot of my phone is it TD-LTE phone or FDD-LTE?
Thanks
Hello
Why Poco F2 pro have only activate 1 SIM for 5G?
why is it not possible to use SIM 1 with 5G and SIM 2 with no internet or 4G (3G) at the same time?
I only want to be able to make calls on Sim 2 and Internet on SIM 1 with 5G...
can't the Sapdragon 865?
does this come with a later update?
it works now on the Poco F1 ... Sim 1 with 4G and Sim 2 without or with 4G at the same time.
Kind regards
hofi01 said:
Hello
Why Poco F2 pro have only activate 1 SIM for 5G?
why is it not possible to use SIM 1 with 5G and SIM 2 with no internet or 4G (3G) at the same time?
I only want to be able to make calls on Sim 2 and Internet on SIM 1 with 5G...
can't the Sapdragon 865?
does this come with a later update?
it works now on the Poco F1 ... Sim 1 with 4G and Sim 2 without or with 4G at the same time.
Kind regards
Click to expand...
Click to collapse
Poco said they will give update to fix this but no fix yet
Not a fix cause it's not a bug.
It's in the specifications from the beginning, and inside the manual (first pages).
They will provide a update but maybe not...
As we all bought the phone knowing that, they don't have to speed up to provide a 'fix'
hofi01 said:
Hello
Why Poco F2 pro have only activate 1 SIM for 5G?
why is it not possible to use SIM 1 with 5G and SIM 2 with no internet or 4G (3G) at the same time?
I only want to be able to make calls on Sim 2 and Internet on SIM 1 with 5G...
can't the Sapdragon 865?
does this come with a later update?
it works now on the Poco F1 ... Sim 1 with 4G and Sim 2 without or with 4G at the same time.
Kind regards
Click to expand...
Click to collapse
works perfectly on china ROM.
Mastakony said:
Not a fix cause it's not a bug.
It's in the specifications from the beginning, and inside the manual (first pages).
They will provide a update but maybe not...
As we all bought the phone knowing that, they don't have to speed up to provide a 'fix'
Click to expand...
Click to collapse
Of course this is not a bug but the company has the responsibility to keep their word as soon as possible.I don't have 5g here but many people do
gazza1888 said:
works perfectly on china ROM.
Click to expand...
Click to collapse
good to hear, bootloader unlock is on friday, then clean flash mi-globe.com based on EU
thanks
sakibm47 said:
Of course this is not a bug but the company has the responsibility to keep their word as soon as possible.I don't have 5g here but many people do
Click to expand...
Click to collapse
They will but they didn't give ETA.
Here the exact sentence in the poco Manual :
"subsequent software upgrades will include support for primary 5G and secondary 4G/3G/2G card mode function in dual-card situations"
This means they can do it tomorrow or next year..., so we just have to wait...
gazza1888 said:
works perfectly on china ROM.
Click to expand...
Click to collapse
now i am on xiaomi.eu_multi_HMK30Pro_20.10.16_v12-11 (its build from China Rom)...
and still no working 5G on SIM 1 and activate a SIM 2 (without internet).
Why ????
greets
hofi01 said:
now i am on xiaomi.eu_multi_HMK30Pro_20.10.16_v12-11 (its build from China Rom)...
and still no working 5G on SIM 1 and activate a SIM 2 (without internet).
Why ????
greets
Click to expand...
Click to collapse
No idea, but I've tried every stock ROM, custom ROM and dual SIM only works as it should on stock cn rom.
now i am
on xiaomi.eu_multi_HMK30Pro_20.12.10_v12-11 (its build from China Rom)...
and i have working 5G on SIM 1 and 4G on SIM 2 (no 5G contract on SIM 2).
greets
Hi All, I have searched and can't find an answer.
I bought a Poco F2 Pro as it was advertised as dual sim and 5g, now I have a 5g enabled sim I thought great! but I cant use 5g and dual sim at the same time........... not great.
Is this a hardware limitation or software? thanks
m0rtus said:
Hi All, I have searched and can't find an answer.
I bought a Poco F2 Pro as it was advertised as dual sim and 5g, now I have a 5g enabled sim I thought great! but I cant use 5g and dual sim at the same time........... not great.
Is this a hardware limitation or software? thanks
Click to expand...
Click to collapse
https://c.mi.com/thread-2683572-1-1.html
Wow thanks for the fast reply!
So its a miui limitation then as that was published in 2019
m0rtus said:
Wow thanks for the fast reply!
So its a miui limitation then as that was published in 2019
Click to expand...
Click to collapse
Yep,dual sim for marketing,not for customers.(N28 also)
NOSS8 said:
Yep,dual sim for marketing,not for customers.(N28 also)
Click to expand...
Click to collapse
well thats rather naughty isnt it!! I always liked Xiaomi on my second phone but this will make me think twice about buying their products now!
In the instruction manual it is also written that with an update they would have added the dualsim with a sim in 5G but have not yet done so after a year. It's a shame, I will never buy a Xiaomi smartphone again!
saturn3000 said:
In the instruction manual it is also written that with an update they would have added the dualsim with a sim in 5G but have not yet done so after a year. It's a shame, I will never buy a Xiaomi smartphone again!
Click to expand...
Click to collapse
I have emailed Xiaomi UK and asked them, I don't hold out any hope for an actual response passed the one I have already that says they are waiting to hear back from that department.
m0rtus said:
I have emailed Xiaomi UK and asked them, I don't hold out any hope for an actual response passed the one I have already that says they are waiting to hear back from that department.
Click to expand...
Click to collapse
I think Xiaomi has abandoned our smartphone ...
The Poco F2 Pro has great potential but is very limited, even the 5G bands are limited compared to new cheap smartphones such as the Poco F3.
Too bad it is not possible to unlock the modem ...
m0rtus said:
Hi All, I have searched and can't find an answer.
I bought a Poco F2 Pro as it was advertised as dual sim and 5g, now I have a 5g enabled sim I thought great! but I cant use 5g and dual sim at the same time........... not great.
Is this a hardware limitation or software? thanks
Click to expand...
Click to collapse
hy on weekly EU, you can use 5G on SIM 1 and activate SIM 2 with option 4G (LTE) by using VoLTE with SIM 1to switch automatly to 4G SIM2 at the same time.
hofi01 said:
hy on weekly EU, you can use 5G on SIM 1 and activate SIM 2 with option 4G (LTE) by using VoLTE with SIM 1to switch automatly to 4G SIM2 at the same time.
Click to expand...
Click to collapse
Hi, what version MIUI do you have? Yestreday I update to 12.2.5, but I havent options to switch ON 5G on sim1 and simultaneously activated sim2. Thanks
jimacek said:
Hi, what version MIUI do you have? Yestreday I update to 12.2.5, but I havent options to switch ON 5G on sim1 and simultaneously activated sim2. Thanks
Click to expand...
Click to collapse
"hy on weekly EU",EU rom(custom rom) not EEA or GLOBAL stock rom.
Is it possible to use 5G on SIM 2 instead of SIM 1?
shaq1907 said:
Is it possible to use 5G on SIM 2 instead of SIM 1?
Click to expand...
Click to collapse
https://forum.xda-developers.com/t/dual-sim-5g.4250923/post-84703545
I read it but I didn't get it well enough. 5G is used for only one SIM as far as I understand. I am asking that if SIM 1 is empy, can I use SIM 2 for 5G connection?
shaq1907 said:
I read it but I didn't get it well enough. 5G is used for only one SIM as far as I understand. I am asking that if SIM 1 is empy, can I use SIM 2 for 5G connection?
Click to expand...
Click to collapse
Why use sim port 2 if sim port 1 is empty?
But yes you can use sim port 2 with 5G.
(on eu rom,i dont know for stock rom)
shaq1907 said:
I read it but I didn't get it well enough. 5G is used for only one SIM as far as I understand. I am asking that if SIM 1 is empy, can I use SIM 2 for 5G connection?
Click to expand...
Click to collapse
I have two sims in the Poco F2 Pro and I am using xiaomi.eu
I use the second sim for data and the second sim gives me 5G among the preferred networks while the first sim does not.
So I think 5G is usable among the preferred networks based on which sim you use for the data.
Hi everyone. I bought a 2nd hand Mi Mix 2S from China and it is in Global Rom. The problem was the network provider connection was too weak. I already changed ROMs to PE, MIUI EU and LineageOS but the network issue is still unresolved. Do we have a fix on this? I can't find any in the internet. I already tried the *#*#3646#*#* and changed the prefered network connection. Any solution or help on this matter? Thank you guys