Diag Mode on Cyanogenmod - Honor 4x Questions & Answers

Hi!
I have a Huawei g620s, very similar to the 4x, in fact it's now running a nightly CM12 that is made for the 4x and similar models, like mine. I am having some trouble because I am trying to use QPST to change some NV Values and in that way unlock some frecuency bands (This phone is from Europe and I am in America), but I can't find a way to put the phone in Diag Mode for it to be recognized properly by my windows computer to use QPST. Anybody knows how to do this in cyanogenmod and wants to help me?

did you fix your issue?

Related

[Q] Diag Mode Galaxy Tab help !!!!

I'm looking for alternative ways to get into DIAG mode on the galaxy tab sch-i800. I'm running cm10, and i have done a framework-res edit for the dialer to be there. It will go into only one menu and that is *#*#info#*#* .
I need to cdma workshop on this thing and cannot get it on a port because of this.
I'm trying to manually flash to Page Plus, which i have already gotten it activated on there side.
But dialer is ending my call to activation.
I have tried many option's and phoneutil is what I have came across the most in forum's but cannot get there, and there is very little threads for this device on this kinda thing, JB have different menus?
==UPDATE== Figured out you have to command in terminal emulator and I was having driver issue's after using heimdall, I still never got to connect to cdma workshop in CM10 because i Had already went stock when i figured it out. But managed to connect when i was stock but no luck unlocking with any samsung codes in cdma. But was able to program my min and mdn using ##program#.

[Q] GT-P1000 + CM9 cannot get USB diag mode

HI All,
I have a GT-P1000 that I need to get into USB diag mode on, from what I have read the standard *# menus do not work on AOSP ROMs, how can I get into diagnostics mode on this phone?
I have read that I can enable it through /sys/devices/virtual/usb_composite/diag, however I don't have a diag folder under usb_composite, is there another method for this tab? I have read that other versions of CM might be able to support usb diag mode, can anyone confirm this?
I know going back to stock might be an option, however I can't seem to find a stock rom for this tab. If anyone has a stock rom, I'd appreciate it (GT-P1000, Hong Kong version, GSM).
Thanks, Ivan

Diagnostic Mode , Modem mode: ON, on AOSP ROM

Hello.
I was trying to add LTE band 3 on a HTC One _M7ul (an ex at&t).
So with original ROM lollipop ibwas abpe to communicate with phone in QXDM but when tryed to write new value to lte bands ... The new capue would not stick
Someone saied that i should try a aosp rom because of the tamper that orginal kernel has...
Installed the aosp rom but was unable to put phone in diagnostic mode
If someone knows how to please advise
Thank you

QXDM does not work.

Help me! I am using GALAXY S10 (G973U, AT & T, SIM unlock). When I tried to add an LTE band, I used QXDM, but when I first connected it worked fine, but from the second time I did not recognize well due to an error. (The device is not recognized even if the device is selected is COM: 0.) The driver uses the SAMSUNG DIAG driver. Do I have to use Qualcomm's diag driver? If you can't go without it, which driver should you use? Also, even if I select it in the NV browser, the message "diag error received invalid command error response" is displayed and the settings cannot be changed. I don't know what to do. Please help someone
QXDM v3 was released almost a decade ago and can't recognize these new modems. You need to get the latest version of QxDM which is really hard to find as it requires a license.
I am also on the same boat with my Mi A3.

Need help enabling LTE

In the area I live, the LTE towers use a band that is not available in my Mi 9 Lite (Global), and I'm trying to enable the band available in my area.
I started following this guide, but when it comes to open diag, I'm still receiving the error message, saying the diag failed to open, after I type the sequence *#*#717717#*#*, even after following the steps for rooted phones, using adb.
Can anybody help me on how to enable diag on Mi 9 Lite?
Buiatti said:
In the area I live, the LTE towers use a band that is not available in my Mi 9 Lite (Global), and I'm trying to enable the band available in my area.
I started following this guide, but when it comes to open diag, I'm still receiving the error message, saying the diag failed to open, after I type the sequence *#*#717717#*#*, even after following the steps for rooted phones, using adb.
Can anybody help me on how to enable diag on Mi 9 Lite?
Click to expand...
Click to collapse
I could be wrong but I don't think you can just "enable" a band on the phone if the radio chip doesn't actually support it.
Papercutzz said:
I could be wrong but I don't think you can just "enable" a band on the phone if the radio chip doesn't actually support it.
Click to expand...
Click to collapse
I have installed one ROM, that had all the bands available in my region, so I know this can be enabled for my phone. The only thing is, I don't want to be using the ROMs available, as I want to be using MIUI, as I got used to it by now, and I like it's functionalities.

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