I have the phone h900 (android 5.1.1 - h900 10f). The phone has been installed imei. The power of the latent network is too low. My engineer friend said that if a phone of the same model can find an uninvited backup, its parameters will solve the problem of the phone network. I would be grateful if someone could share the h900's solid system backup with me. (Qcn file)
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Hi guys,
Here is the deal:
I've flashed my Core Duos (i8262b) with the stock firmware found on Sammobile.
After that, my phone doesn't make any calls or data connections...
I've tested my sim cards on another phone, and everything works.
I'm not so raw in flashing phones, but I'm not a specialist...
I've found that the IMEI of the system (when you call *#06#) is different of the physical one (found behind the battery).
What should I do?
Thanks in advance...
Hello dear ones, I'm lost and I need your help.
I've bought a used SM-g920f, knox x0. It worked flawlessly. Until the first evening when in the middle of a phone call the phone app crashed. After resetting the phone it was still unable to connect to network. I have noticed that baseband/IMEI were set to unknown and so it could not read my sim card.
First I have tried the obvious - upgrading from lollipop to marshmallow. It went easy but did not help. Neither did help resenting to factory settings.
I have rooted and installed twrp recovery adb and stuff.
After almost two days playing with it, I seem to be out of options.
What I tried:
Flashing Different roms - stock and non-stock. (G920FXXS3DPB2_G920FXEU3DPB1_G920FXXS3DPB3_HOME, G920FXXS3DPB2_G920FOXX3DPB2_G920FXXS3DPB3_HOME, Pure-Stock.ExtraLiteROM_XXU3DPCA.DEODEX-v5.5.by.ambasadi, XtreStoLite-ROM-3.0-Final-DPCA) - I do not know the country of origin of this device. (the back is from testing unit), is there some way to know correct original stock ROM ?
Flashing Different modems - (G920FXXS3DPB1_Modem_TWRP, G920FXXU3DPB6_Modem_TWRP, G920FXXU3ZPA1_Modem_TWRP)
Checked sim card in another phone/different card in this phone - if sim card would be invalid, would I still get missing baseband?
Xposed Imei Changer - it did change IMEI. But that's it. Baseband still missing.
*#0011# and other *# stuff..
And I have wiped /efs (it did generate new nv_data. Guess now even broken IMEI would make ma happy)
Any ideas ?
How can I know what can be wrong? /efs partition? wrong firmware combination? hardware issue?
In Samsung Phone Info I get empty on Modem Board, Hardware Revision,Samsung Serial Number,Baseband Version.
Than you for any help or idea!
tried smart Switch emergency reinitialization?
Just to be sure, knox is triped now?
Hello and thanks for checking this post!
Ive bought a LG G3 D850 in USA, unlocked. When moved to Argentina I was not able to get 3g/4g signal from my local carrier, only EDGE, as the phone wasnt sold by them they rejected to assist so on my own Ive made the following steps:
Hidden menu fixes - didnt work
Edit build.prop - didnt work
Updated from stock 4.2.2 to Fulmics 5.2 - didnt work
Flashed new .qcn files worked as follows:
.qcn #1: I was able to improve quality signal for voice and data, also fixed 3g and H connections.
.qcn #2: Quality signal decrease, EDGE works, no 3g and no H but 4G works.
What I would like to know:
1- Is it possible to use the .qcn #1 and restore my factory IMEI so I can at least have H?
2- Is it possible to edit the .qcn#1 and include the code portion from .qcn#2 that enables 4g?
That would be the perfect fix for this issue!
ps: Ive the original box with the IMEI labels and also the internal label that confirm phone original IMEI, I know change IMEI is not legal and its not what Im trying to do, Im looking for a fix keeping my IMEI stock.
Thanks for any input!
Hi i have the same problem.
Im also from Argentina and also in FULMICS 5.2
Im still no try change the QCN, because can not understand the procedure very well
Can you help me?
where can i find? and You recommend the QCN N.1 , for me is enought H.
Thanks
I hope you can answer
Hi
How can I achieve your flash qcn #1 solution on my lg magna h500?
Im having the same issue
Hey guys,
Not sure if its been asked, but for some weird reason the network band option isn't anywhere in the phone menus. The phone is the cricket version h634 unlocked with the 5.1.1 OS and latest cricket update that fixed the audio player cache issue. I am completely lost with this phone and see that there isn't much information on the internet in regards to modifications etc. I did try a code set of numbers that enters you into a hidden network menu, but received a prompt that the app cannot be opened (not sure the exact error).
Please advise, thanks so much guys.
My moto g5 XT1677 was hard bricked and I revived it using a method given on this XDA forum. But after flashing the Stock ROM Latest OREO, I was unable to get any network . My sim is detected and also IMEI no. baseband etc. everything is all right. But it only shows NO SERVICE and sometimes EMERGENCY SERVICES ONLY. BUT here's the twist- But sometime it also shows network and i was able to make calls also. But most of the time the network registration doesn't work.
I downloaded ROM from "lolinet" (link on that hard brick thread), Please somebody help as I don't have any other phone.