network dissapear/restart on custom rom - Xiaomi Mi Max Questions & Answers

hi, i am having problem with network using custom rom, sudden network restart/disappear and sometimes my phone go back to lockscreen while the network disappear. been using 4g and happen while onload with download or streaming, when active on hospot too.. happen with many custom rom that i tried with different kernel/stock/clean flash such as, crdroid with harfix kernel, aoscp with clean flash without install any apps, aex 1st build and latest build by dave. maybe my 4g network problem, i dont know but there's no problem with 4g signal.. just wanna know if someone having this problem. not happening too often tho.. and hard to replicate the problem..but its not a big deal to me...just wanna know.. thanks.

I had that same issue

Similar Problem
This issue is simillar problem like on this thread.

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ICS ROMs Wifi WPA2 Problem and show poor

hi , i test many custom Roms ( ics - 4 ) with various Kernels and patch
I have Planet ADW-4401 modem a i set a WAP2 key for protect in all of these Roms i have Problem with Wifi !!
the Wifi will turn to be ON , the Singal Stretch is Excellent when you scan Networks then you choose it and give Password and Then it will continusly shows Optaining IP ... and the Signal is show poor now and you just see Optaining IP goes and come ...
i Try to change Basebond , new Kernels , Do various Full Wipe and change Step Of installing like install wifi patch right after install kernel , or after Rom or even After Install Root , reboot and then install patch
even try to use WEP key not ver2
And When i Remove the WPA pass My phone is connect without Problem !!!
No success At all
My Phone wipe and Restart and Flash more than 25 Times and I decide to give it up ICS Custom Roms
it`s weired things cause when i Flash Official LT18i_4.1.B.0.587 the wifi works well !!!!!
I see some Topic in many Forums specially in Sonyericcson forum that have my Problem too , seems like a bug in ICS Roms at least with some Modems like me
anyone have Idea or news about it ??
why the wifi patch module is seprate zip in all custom Roms and Kernels ?? why cant put wifi in ROM or Kernel ??
sorry for my bad English i hope you get my point ..
i really like to be up to date , now i`m using a custom 2.3.4 Rom called MooDeD~GB 30.5 all things even Wifi works fine .... but i really want to have android 4 ...

Official Lineage OS 14.1 T0lte Nightly build available

https://download.lineageos.org/t0lte
I just noticed that the LineageOS just released their first t0lte nightly build (dated 2017-03-31 10:30:24). I came here to find people who have tried it out, but things seem pretty quiet here. I have not tried it out yet, but in the past I've seen other attempts at Note II Android 7.x roms have cell/data issues. I'm going to try this soon, but if someone beats me to it, let me know what you find.
Did you try this yet?
Tried this out and still using it. Working great so far. Definitely worth trying
I'm using it as everyday use, it's very good
How is the cell/data signal with this rom? I haven't found a rom yet that provides good 4g lte signal.
Does it work with the tmobile note II (t0ltetmo)?:
Yes it works o t mobile. I tested it for phone calls, mms, gps and blue tooth Connection. Only issue I had was mms I send the phone a picture and it was stuck o downloading. Well the fix was to switch APN then reboot and then I think k it's switched backon its own. So mms is working now. I have not had any issues apart from that. So yes you should try it. Good luck.
Thanks for making this for such and old device.
I tried this out looks working..before i install the open gapps file.. after installation of open gapps file, phone keeps restarting by it self. I install open_gapps-arm-7.1-stock-20181209.zip.
Which Gapps file you guys are using?
Redo installation everything is working except for making and receiving calls. Data working. Front camera blur. back camera working.

System UI crash to lockscreen on network loss

Hi,
I am facing this issues of system UI crash on cellular loss in all oxygen OS based roms. Currently using experience os latest stable version.
Situation :
Travelling while phone is unlocked and there is sudden loss of signal, system UI will crash and returns to lockscreen and then signal restores.
I have collected mat logs, appreciate if someone can help me analyze them and let me know what exactly is the issue.
Thanks in advance.
No one to help?
Better to ask that question on ExperienceOS specific thread.
IMO, you have installed some 3rd party app that causes this because I used ExOS and never faced such issue.
I recommend you to clean flash and don't install any other apps to see if the problem continues
Greetings,
FSadino

LineageOS - S9 - Low signal strength

I built a phone many years ago with XDAs help and it worked perfectly. Thanks.
Recently though I bought an S9. I installed Lineage as per the instructions on the Lineage site (I can't post the link as I'm a new account).
The install went perfectly and the phone seems fine except for extremely low signal strength (-110db). It is to the point that it actually drops its connection. There are two identical S9s on the premises and both are on the same provider. I have switched sims between all three phones and the problem stays with mine. Their signal strength is acceptable.
I never used Android on it so can't say if there was a problem before I flashed it and I can't find a stock img to flash back (I don't want to sign up to SamMobile as I don't have a PayPal account).
Is there anyway I can test if its a hardware problem?
Does anyone know of LineageOS having signal strength issues?
Are there any other things I can try?
thanks
You can download a stock image using a tool called Frija (you can use auto settings or find the firmware using your phones CSC). You then need to use ODIN to flash the firmware on to your phone.
EDIT: That'll at least let you figure out if it's a hardware issue
Thanks. I'll try that now.
Same Issue
Hi, I recently switched from using RROS (which is based on lineage os) over to Havoc OS due to the fact I was getting poor signal strength, I switched the rom and it worked like normal. Try switching to another rom.
HarrisonD4Y said:
Hi, I recently switched from using RROS (which is based on lineage os) over to Havoc OS due to the fact I was getting poor signal strength, I switched the rom and it worked like normal. Try switching to another rom.
Click to expand...
Click to collapse
Signal was running just fine for me S9 with Exynos.
I did however upgrade first to the latest A10 release with Odin.
you can do the same to confirm and try again.
mcKidney said:
Signal was running just fine for me S9 with Exynos.
I did however upgrade first to the latest A10 release with Odin.
you can do the same to confirm and try again.
Click to expand...
Click to collapse
Cheers I'll give it a go!
Sent from my SM-G960F using Tapatalk
I found a fix! Sorry for the late response. I found that flashing the latest MODEM fixed it! Everything works fine now.
HarrisonD4Y said:
I found a fix! Sorry for the late response. I found that flashing the latest MODEM fixed it! Everything works fine now.
Click to expand...
Click to collapse
Can you clarify a bit? I might be having this problem, I notice -111 dBm on mine as well.

Question Network Signal Guru on Nameless

Network Signal Guru is a cool tool, but its Advanced Mode has only worked on a couple of ROMs I've tried. It works on OOS and Lineage for me. On crDroid and Nameless, it says "Adapted base-band and driver is installed: No compatible devices were detected." I don't use crDroid anymore, but I'd like to have this fixed on Nameless. Is there anything I can do to fix it? Would love to have NSG Advanced Mode working (no, I don't care about band locking, just want the extra info it provides).
Hi maybe you get better help in the nameless Rom thread?
Maybe. I ended up switching back to Lineage and I forgot about this thread. I'm not sure if it's possible to close it, but I don't need this anymore.
How to access this mode I'm using nameless
Guys help anyone very please. After using the program at some point configured so that I can not call and receive calls, only sms, and the only solution - volte, which also flies off, and works when selected in the phone settings NR/LTE/CDMA/EvDo (it flies constantly).
Contacted the operators, sent me to hell saying the phone does not support (xiaomi Poco f3)?
Or should I move to other specific thread?

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