BASEBAND UNKNOWN J7pro - Samsung Galaxy J7 (2017) Questions & Answers

Dear All, i just flashed a stock rom for my SM-J730GM/DS of 2017 (hopefully the good one ) and I cannot detect sim card, IMEi and airplan mode always greyed out.
What can it be the problem?

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E7 16 GB Bricked SDcard

Hi, im new here, always i was come here when i have any problems with smartphones.. Now i have a terrible Problem with a Gionee elife e7 16GB....
well the phone really is a Blu Life Pure XL L249l but is same not? Okey my first problem come when i updated the phone to kitkat 4.4.. and my Imei was lost, later i flashed the phone to rom 4.2, and i can connect it in service mode, with qpst i can restore imei... the rom 4.2 had much bug, so i decided put original Blu ROM, i flashed the rom with gqnc all OK, but when the phone start say me Internal SD Damage, now i cant install any APK, and any Recovery... Please Help me i wanna cry ;(
oh, also i cant get signal because some nv_items of network are in 0 value
Sorry for my bad english :crying:
Try to connect the phone to the PC and format the SDCARD0.
Since you lost the IMEI yuou didn't get any signal GSM or 3G?
RSGI_PT said:
Try to connect the phone to the PC and format the SDCARD0.
Since you lost the IMEI yuou didn't get any signal GSM or 3G?
Click to expand...
Click to collapse
I cant because when i connect usb the phone dont show me usb options, just only charge and debug mode :crying:
no when i was restored imei with qpst i put my sd card and no signal GSM i think is because before i have emmcklb0p partitions corrupts and i replaced archives with zeroed values... and i get imei 0 later change imei in qpst bu other values in nv_items have 0
sorry my bad english
And i dont know why show E7 in other devices, when i was installed all drivers before flashing the Stock software,, now i cant write recovery in fastboot and nothing.... PLEASE HELP MEEEEE
can i install a TWRP manager By OTG USB?? in alternative of my damaged SD Card?? what us think?

Yureka network detection problem....!!!!

hai,
my yureka phone doesn't detect any signal from sim card. I tried most of the sim card, but it shows "unable to register the network". currently i am using MIUI 8 ROM. but the problem persists in most of the custom ROM( marshmallow, Lollipop etc.)
please give me a possible solution to recover my Yureka phone.........

No sim detected and unable to get imei

My phone cant detect both sim (sim 1 and 2 ofc) the problem start when I change my lte band mode in mediatek engineering and after restarting the device it wont detect any sim card so I try to fix this with :
1. I upgrad the rom version (im using xiaomi.eu) and still not detecting
2. I tried other custom rom which is multirom (latest version) but still no luck
3. I flash the phobe to china dev rom with sp flash tool and you guess, it still wont detect it!!
To fix the imei i tried using Maui Meta but the sim card not detecting too and i cant check the imei with *#06#
Please help me, now im stuck without sim card and my phone mi account is locked too

[a300h] weird sim problem // help

Hello guys,
im facing a problem with my samsung a300h ,after i installed this rom :https://forum.xda-developers.com/samsung-a-series/development/rom-lineageos-14-1-unofficial-samsung-t3532574 at the begining every thing was ok i can use both sims without any issue for a long time untill i changed network mod from lte only to 3g then the phone stoped recognise the sim slots and shows no sim card i tryied to flash the stock rom but it didnt fix , when trying to remove sim 1 the phone starts recognise sim 2 but when i put the sim 1 back again the problem shows again "no sim card" i still can recive sms but when i trying to make a call it shows "no network" and when i make a call from another phone to my number it rings but my phone doesnt show any incomming call .
i'd be really thankful if someone can help me with this problem
logcat file:https://drive.google.com/uc?authuser=0&id=1-bUYlE25Q58vP9AUKf6WXTNOZQCZdvBi&export=download
excuse my english :cyclops:
Flash stock rom
Flash official stock rom via odin..
I think after flashing stock rom on your device you will fix this bug...

Sim suddendly disappeared

Hello everyone !
I have some issues with my sim card on OpenBeta3 + custom kernel (Bluspark).
One day, without doing anything, sim card suddenly being not recognized on each slot, swapping slots or rebooting doesn't have any effects.
(My sim card is good, tested with an other phone)
Catlogs says about a "CARD_IO_ERROR" when sim disappear.
I've done full factory reset or resetting network settings and it didn't solve my issue.
Then i flashed full stock rom by fastboot way + reset network settings, it seems to solve the problem (waiting some days to see if this problem occurs again).
Is there any people who are experiencing some sim disapearring ? And how you managed to solve that issue ?
Thanks

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