yashsingh1/xdaforums huggingface dataset:
[Xiaomi Poco F1 Questions & Answers] meltbanana:
thanks to the community it might be possible

https://xdaforums.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059

but it sounds a bit complicated.

ps: interested how anybody got around the bootloader (1440 hours) unlock timer.
[Xiaomi Poco F1 Questions & Answers] SebastIAS:
Fixed :D

As a Colombian citizen, i hope this situation will be as clear as water pretty soon
[Xiaomi Poco F1 Questions & Answers] adibeckett:
I read on reddit somewhere that Xiaomi has a history of not reporting ALL the bands that their phone can support due to rights issues or something like that. Not sure if this is true.
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
Thanks for correcting me. I was goin going of information I found on the internet.
[Xiaomi Poco F1 Questions & Answers] chemicalboyxda:
At the moment isnt present b4 for lteView attachment 4588565
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
like i said in the first post.

need to root and see if other bands can be enabled
[Xiaomi Poco F1 Questions & Answers] moist_line:
Has anyone given this a shot? Would be interesting to see.
[Xiaomi Poco F1 Questions & Answers] chico84cam:
Change The región to Colombia or México. And try again.

Just like mi A1.
[Xiaomi Poco F1 Questions & Answers] kdrag0n:
It'd be great if someone could try band 12. The lack of that band is a deal-breaker for T-Mobile in the US on my Mi A1.

Nobody has been able to enable band 12 on phones that don't officially ship with it. This has been the case on the OnePlus One, Mi A1, Mi A2, and more. You can "enable" it in QPST, but it doesn't work.
[Xiaomi Poco F1 Questions & Answers] thebigcw:
So, this phone is a no-go for AT&T LTE in the US? Might have to return it if it only supports band 5... shame, I really like the idea of it! Maybe there's a way to enable more bands, but from the other poster, it doesn't really look like it.
[Xiaomi Poco F1 Questions & Answers] Aimara:
whats odd is they disable face ir for other regions
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
someone has to try enabling bands 2 & 4 using QPST. The way is mentioned in OP. Unless someone tries, we cannot be sure that you cant enable them.
[Xiaomi Poco F1 Questions & Answers] chemicalboyxda:
The same... Maybe in the future xiaomi enable this bands with an update or ship another version for latin american countriesView attachment 4592091
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
which app is that buddy?
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
if anyone has a Xiaomi Mi 8 and can provide a qcn file please HMU.

you need to root, and then backup qcn using QPST.
[Xiaomi Poco F1 Questions & Answers] theking37:
Have you tried requesting on the /r/Xiaomi subreddit? Likely will be seen by more people with Mi 8s.
[Xiaomi Poco F1 Questions & Answers] jwoodman1358:
I am following this developing effort to enable these additional lte bands. I had an issue with US version Samsung S7 Qualcomm processor phone, Verizon branded, and it had all the competitor's primary bands disabled on that phone. Basically Verizon didn't want the phone to work properly on the competitors network. I used a special Qualcomm DFS tool to turn on these bands back on. This worked for that older Samsung S7, Qualcomm based. I do not know if the QXDM being referred to is a newer version of that or not.

https://xdaforums.com/sprint-galaxy-s7/how-to/guide-enabling-additional-lte-bands-t3563474

Ooops. I see someone has already tried DFS tool. Sorry.
[Xiaomi Poco F1 Questions & Answers] JR_44:
check your dms i sent you link to my mi8 xqcn backup
[Xiaomi Poco F1 Questions & Answers] chemicalboyxda:
Any news?
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
no news. I tried opening the qcns in a hex editor but it was all garbage to me. I am no longer pursuing this. someone else might want to pick this up if they want to.
[Xiaomi Poco F1 Questions & Answers] stephendt0:
If it's anything like the Redmi Note 3 / Redmi Note 3 Taiwanese edition, don't expect this to ever work. I don't think the hardware is there.
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
I do not know how it was on the Redmi Note 3. But on Poco F1 we cannot read the variables which store enabled LTE bands. We have tried QPST and DFS Studio.
[Xiaomi Poco F1 Questions & Answers] Undic1d3d:
Hey guys, just read all the msgs today. It's quite off topic but i thought it would help.

I've bought Pocophone F1 2 weeks ago and it's Global Version and i live in Iran

I'm getting 4G signal on both SIMs which are from 2 biggest carriers here.

I'm not sure if it's HSPA but i'm able to download at speed 6 to near 7 mBps.

And this one is way off topic but my friend has a Huawei P20 and he said he found a secret button for enabling cat 16, and the button will only be visible if he uses only one SIM on 1st slot and he confirmed he gets around 1 gbps in our capital city and 500 mbps where we live (which is another city)

They were off topic but i hope they help you

Good job everybody

I'll follow this topic from now on

---------- Post added at 10:08 PM ---------- Previous post was at 09:55 PM ----------

Also i forgot to say i'm limited to this speed and i'm sure i can get better speed here since my last phone was Galaxy A3 2017 and i was able to download at 8 mBps (1st SIM) and around 20 mBps (2nd SIM), but right now i get 5 to 5.5 mBps (1st SIM) and around 7 mBps (2nd SIM) so i guess i'm limited to couple of bands too.

Region change does let me enable ir face but it doesn't seem to effect on network since i changed region to most of the countries and nothing changed
[Xiaomi Poco F1 Questions & Answers] Undic1d3d:
Quick update on my discoveries.

I checked Frequency Check and found 3 different versions of Xiaomi Pocophone F1 (i can't send links since i'm new here, but just go to frequencecheck website and search for iran network bands and search for pocophone, it will show a list of all 3 models and supported bands

I guess mine is the 2nd one which says Global (but i have the 64 version) and it says it doesn't support any LTE bands in my area and i'm using UMTS as 4G but the funny thing is when i check the LTE Only option from about<internal storage (after 5 touches) <set preferred network type it connects with no problem, actually i'm sending this msg with that option selected right now.

Let me know if i'm missing something or i'm not getting LTE as well
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
there is only 1 version of Poco F1 phone. Indian and Global version have same LTE bands ( 1, 3, 5, 7,8,20,38,40, 41)
[Xiaomi Poco F1 Questions & Answers] Undic1d3d:
Oh but i found these versions on Frequency Check

-Xiaomi Pocophone Poco F1 Armoured Edition Global Dual SIM TD-LTE 256GB M1805E10A (supports 5 bands)

-Xiaomi Pocophone Poco F1 Global Dual SIM TD-LTE 128GB M1805E10A (supports 5 bands)

-Xiaomi Pocophone F1 Dual SIM TD-LTE CN M1805E10A (supports 24 bands)
[Xiaomi Poco F1 Questions & Answers] Sreekantt:
Tried posting in the MI 8 forum or telegram group ??
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
https://xdaforums.com/showpost.php?p=78120935&postcount=186
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
find them on sale somewhere. frequencycheck is not a reliable website when it comes to Poco.
[Xiaomi Poco F1 Questions & Answers] Undic1d3d:
Oh, good tip man. I know, some websites r not even good. I just saw it was very detailed.

And also a question

Does Poco support LTE Advanced?

What about 4×4 MIMO?
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
i thought a few posts back you were mentioning about a lot of off topic in this thread?
[Xiaomi Poco F1 Questions & Answers] Undic1d3d:
I mean i had a Galaxy A3 2017 which supported LTE Advanced, just wanted to know if Poco supports it too.

Also didn't find 4×4 MIMO support on Poco's website
[Xiaomi Poco F1 Questions & Answers] md.murad:
i need poco f1 qcn

bro i need poco f1 qcn please help me
[Xiaomi Poco F1 Questions & Answers] kumoilain:
I have tried force flashing mi8's firmware to poco by replacing verification script.

Baseband version in settings/about phone changed, but poco still only works in its original LTE bands, no B2 B4 B39.

firmware download from here XiaomiFirmwareUpdater.

Emmmmm…
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
you replaced all the partitions or system and boot only ?
[Xiaomi Poco F1 Questions & Answers] kumoilain:
I replace modem.img at first, working LTE bands are not changed. Then I flash the whole mi8 firmware pakage (pic:these .img files) into poco , bands are still not changed.

boot/vendor/system are not changed because I guess poco may not boot up if these partitions are replaced (not tested). After all, it's not a Mi8:confused:
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
damn ..you flashed Mi8 partitions to Poco F1 and it booted? nice. What other peeps have done is flash Mi 8 system and boot to Poco and it works fine.

Since flashing Mi8 partitions did not enable/change any bands I think we are screwed. I think Poco F1 missing those bands is a hardware limitation. I might be wrong (and I hope I am) but things are not looking good for enabling additional LTE bands on Poco F1.
[Xiaomi Poco F1 Questions & Answers] funm@sterz:
Guys any update on enabling more network bands?
[Xiaomi Poco F1 Questions & Answers] hectorviov:
Is there a way I can help this initiative? I would love to unlock band 4
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
this effort is no longer being pursued.
[Xiaomi Poco F1 Questions & Answers] harshaece:
Qc diag port - poco f1

HI,

could you please tell me the code/procedure to give for POCO F1 (QC chipset phone)? for me diag port itself is not coming in PC/ Though other QC phones work and able to read NVs.

and code for Google pixel 2 or 3 to get the QC diag port enable?

---------- Post added at 05:32 AM ---------- Previous post was at 05:23 AM ----------

could you please tell me the code/procedure to give for POCO F1 (QC chipset phone)? for me diag port itself is not coming in PC/ Though other QC phones work and able to read NVs.

and code for Google pixel 2 or 3 to get the QC diag port enable?
[Xiaomi Poco F1 Questions & Answers] cfrank38:
My company Movistar use band 2 I'm a bit angry. The original firmware showed lte when I bought the phone. I switched to custom ROM And now only h+ ... I think the firmware is showing incorrect value. But on 10.2.2 it was showing lte, hdspa h+ etc when I put my sim ... That's strange or a big lie in the firmware Miui ......
[Xiaomi Poco F1 Questions & Answers] hectorviov:
Yes, same here, I'm on Telcel and the same happened. The thing is MIUI shows LTE if the download speed is greater than some number, not if it is actually connected to an LTE band (that's what I'm thinking) because when I installed a custom ROM it only shows HSPA+. Telcel uses Band 4 and I have the same problem.
[Xiaomi Poco F1 Questions & Answers] Tor1v:
I switched to Global Beta and some strange things happened, I got to see LTE 4G on the phone some times but it usually stayed on 4G which I believe is really 3G, I was with AT&T, and I was getting super low speeds, then I asked a friend for his Telcel SIM and got LTE 4G in a place where I was barely getting signal with AT&T, I didn't test it long enough though, I went that same day to change to Telcel and in the new chip it showed 4G LTE, but after a day or to it changed to display only 4G.

I entered into Phone Information dialing *#*#4636#*#* and it showed I believe TD-SCDMA/CDMA/UMTS I changed it to LTE only and it picks up, on Band 7 (Download at 45-50Mbps) but the problem is that it drops when I go to work, and there are places that I have 0 signal even though they are "popular" crowded places. Maybe you could try another setting on there and get something.
[Xiaomi Poco F1 Questions & Answers] sirikaro:
Hi, according to some sites, Telcel and AT&T are testing in other bands, maybe that's why you can get LTE in some locations, and in other you're on 3g only.

Maybe with the official support by Xiamoi in Mexico, the bands could be opened if the poco f1 already supports, it's like the Netflix case, that doesn't steam in HD.

We just can wait for a solution or change in providers bands.
[Xiaomi Poco F1 Questions & Answers] ZZ-GOD:
Can unlock B4 band? Or not

Enviado desde mi POCOPHONE F1 mediante Tapatalk
[Xiaomi Poco F1 Questions & Answers] Mikael1013:
Guy, just read, it's all in the op
[Xiaomi Poco F1 Questions & Answers] Mikael1013:
Work for me but it's unstable on Telcel B7
[Xiaomi Poco F1 Questions & Answers] sirikaro:
Confirmed in some cities, the band 7 it's been used for LTE.
[Xiaomi Poco F1 Questions & Answers] szabla77:
I am from Poland
[Xiaomi Poco F1 Questions & Answers] Magendanz:
So, this page on FrequencyCheck lists LTE bands 2, 4, & 17 as supported on the Poco F1. Is that just wrong?
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
yes, poco f1 doesnt have bands 2 and 4.
[Xiaomi Poco F1 Questions & Answers] pRo_lama:
Could you please test if 4x4 MIMO is working on Poco F1 in Poland? You should use Network Signal Guru app.

You need to find a base station which supports 4x4 MIMO.
[Xiaomi Poco F1 Questions & Answers] santoimam:
Maybe Possible Solution

Just found this thread after I unlock carrier locked my Hisense B16C2G phone that can't be unlocked for almost 3 years. This is just hypothesis, I suggest to try this with concern.

There are several file that determine bands capability in the devices. Most of it is in NV partition, but from the discussion I know that you guys have tried some popular ways to unlock it, but it failed. Like my phone at first i believe its hardware locked too, but i just discovered some Chinese article about unlocking oneplus device. Maybe you can try it too.

Here it is:

1. Connect to QPST and open EFS explorer

2. In policyman folder there are 3 file that most likely can be the cause of this network restiction

carrier_policy.xml

post.xml (in my phone there is none)

rat_mask (in my case this file that restrict my network even after I change NV values to support all bands)

3. Compare all three file with other phone's that most likely have same architechture (maybe MI8 or Pixel). For rat_mask, make sure it have same bits number(compare with Hex Editor)

4. replace that carrrier_policy.xml(and any file that contain this name) and rat_mask with modified files or use you can use other unrestricted phone's instead

These file originally in modem.img. Some phone replace them back with the original file when boot, you can modified init.radio.sh to prevent that.

We can modify carrier_policy.xml in modem.img and flash it to the phone but i cant find where rat_mask located

5. Reboot and hope if it solve your problem

I can't find any reference about how to generate unrestricted rat_mask and device_config so make sure you backup your original file before you make modification. Sorry I can confirm whether it will work or not because i don't own poco

NB: I solve my problem just with replacing carrier_config.xml and rat_mask. There is a file called device_config, be careful with this file because it control how the phone modem interact with qpst too, wrong modification can cause you cant connect to PC even in diag mode.
[Xiaomi Poco F1 Questions & Answers] Huncriter:
somebody tried this?
[Xiaomi Poco F1 Questions & Answers] santoimam:
Just discover some more information....

In general , there are the important thing to unlock network capabilities in a phone

1 [in EFS explorer] /policyman/

==carrier policy.xml (usually define conditions that configured by the carrier how the network react depend on what kind of SIMcard or waht operator are you use). this can be modified with some programming skill

==rat_mask (masking radio network capability, even if in band config you already unlocked them all)

==so_mask(mostly like rat_mask, but for service capabilities)

->this three kinds of file can be modified if you can understand how it work or you can copied them from other phone kind of similiar

2. [in EFS explorer]/nv/item_files/rfmv/ or can be viewed in QXDM (their name usually begin with RFNV_XXX)

These files are the most important thing, because they carried the devices specific antenna configuration for each band. For example you want to unlock LTE B20, so you must have RFNV_LTE_B20_xxxxxxx files (usually 10 or more per band) already in your devices, you can copy from exact same kind of device(in your case POCO F1) that are you use, but you can't use other kind of phone even only slightly different. If your device have that, you are good to go, just modified 3 files I menstioned above, if not then try your luck to find another unlocked poco)

More detail here: https://xdaforums.com/mi-5/how-to/progress-trying-to-unlock-bands-t3337476
[Xiaomi Poco F1 Questions & Answers] TOMPPIX:
https://hackaday.com/2017/02/20/33c3-dissecting-3g4g-phone-modems/
[Xiaomi Poco F1 Questions & Answers] husata:
poco?

Are these parttions from poco f1?
[Xiaomi Poco F1 Questions & Answers] Mikael1013:
Exist any way to do exactly the opposite? Lock a 3g band.
[Xiaomi Poco F1 Questions & Answers] Luxus96:
There were no more updates to unlock carrier aggregation?
[Xiaomi Poco F1 Questions & Answers] amn1987:
With root it's possible to lock onto any particular 2G/3G/4G/5G band with the help of apps like Cellular Pro, Network Signal Guru etc.
[Xiaomi Poco F1 Questions & Answers] ecompton59:
download activity launcher from playstore. use search type bands then open as root , heres pic. restart phone and your good be careful other options can mess phone up nv stuff. ive used on every phone ive had. hope thats what you meant i use oneplus 8t now
[Xiaomi Poco F1 Questions & Answers] amn1987:
Which device? Oneplus 8T? The option to lock bands without using a third-party app probably isn't available in most devices.
[Xiaomi Poco F1 Questions & Answers] ecompton59:
it works in all devices, the issue is after Android 11 they blocked most dial codes. ive done networking hacks on here forever and the mtu is now at 1300 needs at least 1480 to 1500 . and with that app getting into engineering mode is easy Ca is unlockable on there so is alot see pics
[Xiaomi Poco F1 Questions & Answers] ecompton59:
here's what op is about i uave ca with 4g lte and 5g i activity launcher will open some options without root. ASDIV (Antenna switched diversity) thats CA now
[Xiaomi Poco F1 Questions & Answers] amn1987:
I tried in one device running Havoc R and after searching for band in Activity Launcher it displayed Radio Band mode in which there were 3 options Automatic, United States and Cellular 800.
[Xiaomi Poco F1 Questions & Answers] ecompton59:
you need to find engineering mode on device. they hide sometimes. you have paco 1 or what kind ill find it,im currently rewriting apn-config.xml for more options ill help if i can.
[Xiaomi Poco F1 Questions & Answers] amn1987:
This seems to be a feature of OEM ROMs. In my current Poco F4 which is running MIUI for now, using the app Hidden Settings for MIUI helps expose MIUI Band mode and Radio mode. But 5G bands aren't displayed.
[Xiaomi Poco F1 Questions & Answers] thebigcw:
I've decided to keep the phone. I believe it has all the bands for HSPA+ and regular 3G and cellular service. It's OK if the LTE doesn't have all bands, although it would be nice, LTE service is a bit spotty in my area anyway.

I don't know how willing I would be to be a guinea pig if there's any risk to the phone from trying to enable the other bands. I really don't want to risk bricking it, but I do want to see if it supports 2 and 4...
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
I suggest you dont try QPST and stuff because chances of soft bricking are always there.
[Xiaomi Poco F1 Questions & Answers] chemicalboyxda:
Network signal guru. You have to root the Phone
[Xiaomi Poco F1 Questions & Answers] adibeckett:
Yeah coming from a OnePlus One phone where the only Band available in my area for LTE is Band 4.....

This device might be a no go for me :crying:.

One of Mexican YouTubers reviewed this and everyone in the comments are talking about "band 5 and band 7".

If the Mi 8 can have Band 4 and Band 12(!) and the Max 3 can have Band 4 right out of the box, why can't the pocophone?

Is it more expensive?
[Xiaomi Poco F1 Questions & Answers] charlatan01:
I am not sure how viable that makes it. Useable, maybe. Viable would be supporting 12, 66 and 71, which are significant now. 12 is a must for me in Denver, and 66 / 71 will work better in buildings etc... 'Course, they're still rolling those last two out (along with 12 in some areas I suppose).

I looked long and hard at this device, but if you can't unlock additional frequencies, and get L1 Widevine support, that's a no-go for me.
[Xiaomi Poco F1 Questions & Answers] thesoupthief:
Has anyone with an F1 tried this? Have we confirmed it doesn't work with this phone too? I should get mine soon and will have a go if it's not been tried (and if I remember!)
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
yes..this was tried and doesnt work.

next thing left to try is to enable bands via QPST.
[Xiaomi Poco F1 Questions & Answers] kdrag0n:
Signal Guru
[Xiaomi Poco F1 Questions & Answers] thesoupthief:
?

QPST is some way beyond my competence, sorry
[Xiaomi Poco F1 Questions & Answers] adibeckett:
What other devices are you considering? I'm considering the Mi 8 and it supports Bands 4 and 12. It's going for $350 from China. The whole putting a global rom thing in place is intimidating me though.

The OnePlus 6 and soon to be 6T is out of my price range.

I'm hoping beyond hope that the tptb make it possible to have bands 4 and 12 in an OTA update. Even only Band 4 would be much appreciated.
[Xiaomi Poco F1 Questions & Answers] daniel4653:
Munchy is there a stock rom available for the F1 that people could flash to return to stock in case of a soft brick?
[Xiaomi Poco F1 Questions & Answers] charlatan01:
Yeah, this is the frustrating part. My list of requirements isn't that long, and modding phones is becoming less of a necessity and more of a nice to have. I am a HEAVY business user, so LTE / Wifi and Bluetooth reliability are huge to me. Add mountain biking to the list (GPS needs to be solid) and it reduces my selection to only a few.

The Asus Zenfone 5 is supposed to have the new GLONASS super accurate GPS, but it doesn't work right, and doesn't offer but basic bands for US consumption (so far).

Sony has been my mainstay in the past, but their Wifi / carrier stability is horrible (and was documented here on XDA recently).

I wanted a Nokia at one point but they don't even bother with US bands.

I like the thought of the Moto with the 5g add on, but it looks to be a Verizon exclusive in the short - mid term.

Samsung is a non starter for me... just a personal thing with build quality I've experienced

That said, I am fortunate enough that money isn't the top restriction. I just picked up an HTC U12+ off Swappa. It doesn't have 71, but it has 66, nice build quality, microSD, Bluetooth 5, Widevine L1. So far I love it, but time will tell.

Good luck with your search! Xiaomi has a shot here with the Poco, helluva device for the price, but I am always concerned where devices like these cut corners to reduce cost.
[Xiaomi Poco F1 Questions & Answers] thebigcw:
It's not a matter of an OTA update. It's a matter of using TPTB to unlock the bands yourself. We just don't know if it's possible. Highly doubt Xiaomi will push out an update to enable more bands.

Mi 8 is a non-starter for me due to the lack of a headphone jack. Other than the lack of LTE support, Poco is the perfect phone for me, and I can live with limited AT&T LTE on bands 5 and 40 (AT&T has only recently rolled out band 40) and HSPA.
[Xiaomi Poco F1 Questions & Answers] detox28days:
We should all write Pocophone email and tell them we want more bands. But they can add more bands with an update right? This is delicious. Any luck in getting more bands to work?
[Xiaomi Poco F1 Questions & Answers] munchy_cool:
https://xdaforums.com/poco-f1/how-to/xiaomi-poco-f1-unlock-bootloader-custom-t3839405