[Sprint Samsung Galaxy Note5] Crossfire81:
So I managed to soft brick my phone the genius that I am messing around with settings using QXDM to try and unlock bands

I was kinda bored so I figured why not make my life absolute hell by messing around with settings I know nothing about.

And I'm not a fan of too much reading, I rather spend it working on models in blender.

I did manage to un-softbrick my phone on the night of Day 3 - 2020/07/06

But the story of me leading down a steep hard cliff full of sharp rocks is one to tell. I'll make it short.

2020/07/04 - I wanted to see if I could manage to unlock some bands on my n920p to get LTE to work

I now know according to https://www.frequencycheck.com/models/AraW5/samsung-sm-n920p-galaxy-note-5-td-lte-32gb-samsung-noble and https://www.frequencycheck.com/countries/uae

the hardware simply doesn't support it and there is no magic way of getting those bands on your phone to work.

I did on my quest however managed to mess up my radio settings on my phone and lost all signal with an unstable connection to QXDM - Reminder - create a backup of everything before you

decide to mess with things you know nothing about - Safety nets are important. I did not have one preventing me to fall down this cliff.

2020/07/05 - After managing to mess up my radio settings I figured ok lets just do a Rom reinstall - Didn't do anything

Nothing I did got the signal back on. I panicked. Proceeding to fall further down. Bump.

I was starting to get mildly frustrated and proceeded to read up on a few ideas not completely understanding everything about the phone's framework.

I think this is where I flashed with a random cert file. Bad Idea !!!

I re-flashed my phone with a combination 5.1.1 rom including PIT with odin settings on nand erase and re-partition

I didn't know it yet but things was about to get ruff.

My phone booted up with the Factory Binary Logo and as the UI appeared and started to load things it crashed

CP Crashed message

Bump.

Factory reset didn't work and on the upload mode menu it showed FRP on - Note FRP can be unlocked by OEM switch under the Developers Options menu. Switch to ON.

I couldn't get to that damn switch. Every time I booted up my phone it would crash just as I was about to switch OEM unlock to on.

Bump

I lost ADB commands. In the recovery menu there is ADB sideload. But it was useless.

2020/07/06 - After going to bed early in the morning hours the past couple of days loosing sleep and getting more frustrated while trying to fix my phone

I figured a simple good google search would do the trick, I must just find the right one. I had Opera and Chrome open filled with open tabs with links to software and forums of situations

and fixes.

I tried different combination roms

I tried random modem files

I tried random cert files - Not a good idea !!! - I think this caused the major problems.

I tried flashing again with PIT files

There was messages like DRK not installed

My laptop filled with virus infected software and a ton of stock firmware

I had to put off my anti virus to operate some of the programs, a sacrifice I'm willing to make

I would switch my AV on and off during reboots to checkup on the status of my file system

I was loosing programs. Viruses was literally starting to eat up my software.

I was loosing my mind. I can't get past this damn FRP lock and recovery was showing messages like dm-verity verification failed and image signature check fail

I went outside for a smoke. I was tired. frustrated. I had to come up with a new plan.

I reloaded COMBINATION_FA51_N920PVPU3APJ1_CL6648421_QB11165459_REV00_user_mid_noship.tar.md5, atleast a got a few seconds on the UI before it crashed with the cp failed message.

So I thought a about it and put 1 and 1 together and BOOM - switched the phone to airplane mode before the phone crashed again.

It worked!!!

FML!!!!! One G0ddA3n switch !!! Airplane mode switches off the modem and prevents it from crashing. Who knew?

2020/07/07- I've managed to load MOAR rom 7.0 but I have no signal - Note for root- h t t p s://pakfirmware.com/samsung-galaxy-note-5-sprint-sm-n920p-custom-recovery-file/

Currently under the notifications menu it shows - Upgrading Android... and it's moving really slow - Rebooting phone restarts this process

I've tried switching airplane mode on and off

Under Mobile Networks menu I have - CDMA, LTE/CDMA, GSM/UMTS, Automatic - None of them work

I'm running Android studio to check the logcat and for easy adb access as well as shell access

*#06# shows - sm-n920p is not supported on showIMEI - It does however show on the download menu

##3282# - Has no settings setup

##3424# - Asks for the MSL code - MSL reader app shows - ERROR: /dev/smd0 does not exsist. This phone is not compatible

LOGCAT - 2020-07-07 14:40:31.461 4661-4661/? I/MSL_Checker: Enter checkMSLCode

2020-07-07 14:40:31.461 4661-4661/? I/MSL_Checker: success to write

2020-07-07 14:40:31.461 4661-4661/? D/MSL_Checker: mServiceMessenger is not null. Doing.

2020-07-07 14:40:31.461 4661-4661/? I/MSL_Checker: End checkMSLData

LOGCAT on cancel -

2020-07-07 14:40:54.171 4661-4661/? D/ViewRootImpl@30e9b10[MSL_Checker]: MSG_WINDOW_FOCUS_CHANGED 0

2020-07-07 14:40:54.175 3884-5751/? W/ActivityManager: Duplicate finish request for ActivityRecord{9594bbfd0 u0 com.sec.hiddenmenu/.MSL_Checker t38 f}

2020-07-07 14:40:54.402 3884-5822/? V/WindowManager: Relayout Window{ab3154d0 u0 com.sec.hiddenmenu/com.sec.hiddenmenu.MSL_Checker}: viewVisibility=8 req=1080x1920

WM.LayoutParams{(0,0)(fillxfill) sim=#120 ty=1 fl=#80810100 pfl=0x20000 wanim=0x1030465 vsysui=0x600 needsMenuKey=2 naviIconColor=0}

2020-07-07 14:40:54.410 4661-4661/? D/ViewRootImpl@30e9b10[MSL_Checker]: Relayout returned: oldFrame=[0,0][1080,1920] newFrame=[0,0][1080,1920] result=0x5 surface={isValid=false 0}

surfaceGenerationChanged=true

2020-07-07 14:40:54.615 4661-4661/? D/ViewRootImpl@30e9b10[MSL_Checker]: dispatchDetachedFromWindow

2020-07-07 14:40:54.617 3884-4324/? D/WindowManager: disposeInputChannel mInputChannel: ab3154 com.sec.hiddenmenu/com.sec.hiddenmenu.MSL_Checker (server)

2020-07-07 14:40:54.619 3884-4324/? I/WindowManager_SurfaceController: Destroying surface Surface(name=com.sec.hiddenmenu/com.sec.hiddenmenu.MSL_Checker) called by

com.android.server.wm.WindowStateAnimator.destroySurface:-1 com.android.server.wm.WindowStateAnimator.destroySurfaceLocked:-1

com.android.server.wm.WindowState.removeLocked:-1 com.android.server.wm.WindowManagerService.removeWindowInnerLocked:-1

com.android.server.wm.WindowManagerService.removeWindowLocked:-1 com.android.server.wm.WindowManagerService.removeWindowLocked:-1

com.android.server.wm.WindowManagerService.removeWindow:-1 com.android.server.wm.Session.remove:-1

2020-07-07 14:40:54.635 4661-4661/? E/ActivityThread: Activity com.sec.hiddenmenu.MSL_Checker has leaked ServiceConnection com.sec.hiddenmenu.MSL_Checker$2@9060ff3 that was

originally bound here

android.app.ServiceConnectionLeaked: Activity com.sec.hiddenmenu.MSL_Checker has leaked ServiceConnection com.sec.hiddenmenu.MSL_Checker$2@9060ff3 that was originally bound

here

at android.app.LoadedApk$ServiceDispatcher.<init>(LoadedApk.java)

at android.app.LoadedApk.getServiceDispatcher(LoadedApk.java)

at android.app.ContextImpl.bindServiceCommon(ContextImpl.java)

at android.app.ContextImpl.bindService(ContextImpl.java)

at android.content.ContextWrapper.bindService(ContextWrapper.java)

at com.sec.hiddenmenu.MSL_Checker.connectToRilService(MSL_Checker.java)

at com.sec.hiddenmenu.MSL_Checker.onCreate(MSL_Checker.java)

at android.app.Activity.performCreate(Activity.java)

at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java)

at android.app.ActivityThread.performLaunchActivity(ActivityThread.java)

at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java)

at android.app.ActivityThread.-wrap14(ActivityThread.java)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java)

at android.os.Handler.dispatchMessage(Handler.java)

at android.os.Looper.loop(Looper.java)

at android.app.ActivityThread.main(ActivityThread.java)

at java.lang.reflect.Method.invoke(Native Method)

at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java)

2020/07/07 Currently - I am thinking of my next move to get my signal back - Also the reason why I wrote this to ask if there's anybody here that can help me regain my signal.

Cheers.

I'll write back if I made any progress.