cant flash any firmware on my verizon s9 running latest firmware - Samsung Galaxy S9 Questions & Answers

ive been trying to flash different firmwares on my Verizon s9 (sm-g960U) running CSK5 firmware. I wanted to try the U1 firmware but kept getting a fail in odin. ive tried the latest odin, modded odin and modded odin by raymonf. all failed. Odin gives no reason why it fails. It normally gets to setup connection or initialization then just says fail. every few times it will make it to fail - auth - write. i have even tried flashing the stock firmware thinking itd go through since everything matches. Not even that worked. still fails. any idea whats going on? ive never had this problem before on my past galaxy phones. any ideas?

never mind. i swapped USB ports and flashing is working as it should now. thread can be closed

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[Q] Baseband/Download Mode name incorrect

Hi I know this is my first post on here but i have been researching and havent been able to find anything on it. I sent in my gs3 to squaretrade and recieved a replacement one today. The model says GT-I747 on the back. So I started the phone, rooted it and installed cwm using the toolkit. I went to go install CM10 when it gave me a getprop error. I thought this was wierd so I installed a different 4.2.2 aokp rom and it worked fine. I started up the phone and realized i wasnt getting any 4g. only up to H+. I went and looked at the baseband version and it says T999UVDMD5 which i know is the tmobile version. the model number still said SGH-i747 but i figured that was just because it was an i747 rom
I thought this was strange and was like oh well ill just go back to stock and start again. I went into Download mode and noticed the product name says SGH-T999. It may have said that before and i didnt notice but i did this time, Any time I try to reflash anything with odin it gives me a
Complete(write) operation failed error. Whether im trying to reflash the baseband or back to a stock rom i get that error. On the phone it says SECURE CHECK FAIL : aboot
i also tried flashing the i747 modem in cwm from one of the threads on here which just made the baseband unknown in the settings with no reception and such. I tried multiple modems with no luck. the only way i was able to regain reception was by flashing another T999 modem through CWM
as a last attempt I installed a Touchwiz rom through cwm to see if it would sync through kies. It said my firmware version wasnt supported for update via kies. when i go to software upgrade and initialization it says 'SGH-I747' does not support initialising.
Im stuck. Please help

[Q] Network Issues Data/Call/Text

Good Afternoon everyone,
I've been experiencing issues with my Mobilicity S3 T999v.
I recently removed root from the device, and am having issues with the network service. It connects to my service provider koodo, but nothing works. When trying to connect manually it just times out forever.
I have verified i have an IMEI, via *#06# , the phone worked fine before the unrooting. Ive attempted flashing stock firmware a few times now with odin to no avail. Could this be baseband related?
If it makes any difference i used Mskips toolkit for all the rooting/unrooting. Device software still says modified after triangle away.
captaincheese said:
Good Afternoon everyone,
I've been experiencing issues with my Mobilicity S3 T999v.
I recently removed root from the device, and am having issues with the network service. It connects to my service provider koodo, but nothing works. When trying to connect manually it just times out forever.
I have verified i have an IMEI, via *#06# , the phone worked fine before the unrooting. Ive attempted flashing stock firmware a few times now with odin to no avail. Could this be baseband related?
If it makes any difference i used Mskips toolkit for all the rooting/unrooting. Device software still says modified after triangle away.
Click to expand...
Click to collapse
Im going to re-install root via root66, and try a different baseband. Ill let you guys know the results.
captaincheese said:
Im going to re-install root via root66, and try a different baseband. Ill let you guys know the results.
Click to expand...
Click to collapse
ugh didnt go to well. Constant errors about android.process has stopped responding. Think im going back to stock the root66 files are not working for me.
I guess another day of tablet as my phone. :crying:

Official 5.1.1 for T-Mobile (607t) issues

So I've having a bit of an issue with my 607t and I recall seeing some of the issues before. I was rooted before and on a custom 5.1.1 for a 605. Everything worked except it would sometimes boot back to recovery after power down. (known issue)
So today I went ahead and downloaded the official 5.1.1 and used Odin to flash back to stock. I'm not having any OS issues but am having a problem with wi-fi and the LTE radio. Wondering if anyone else has seen this and what was your fix?
1) The wi-fi will not remember passwords after a reboot.
2) After the update the unit is telling me that no SIM card is installed. Verified SIM is good on another device and tried a different SIM in the Note with same results.
Have flashed via ODIN again, factory reset a few times, remove/install SIM and the problems persist. I'm thinking there must be something from the 605 kernel that the ODIN flash isn't fixing.
Would appreciate any tips. - Thanks!!!!
You have to update the bootloader. There's a check-box in Odin for that.
kcrudup said:
You have to update the bootloader. There's a check-box in Odin for that.
Click to expand...
Click to collapse
That was the ONE thing I didn't do. And it worked.
That box was always greyed out when I loaded the file and didn't notice after the file processed that it was an available option.
Thanks!!!!

Unknown Baseband after flashing rom

Okay so i have the T-Mobile Galaxy s3. It has been rooted for a while with zero problems. I got tired of the older android on it and decided to install a rom. I installed Cyanogenmod 13.0-20151208-unofficial-d2tmo running android 6.0.1. When i first got it all booted and loaded with gapps, i noticed that it recognized my sim and that i had a signal but i couldn't use any LTE or just all around data. basically i couldn't go online (in case i just didn't explain that well enough. Phone service is a mystery to me). I did some searching online and found a lot of people saying that i needed to update my baseband. i found a baseband for my model (T999) and tried to flash it in TWRM. Once i rebooted, it said "No SIM card - No service." in the upper left-hand side. i have tried flashing multiple different basebands the same way with no luck. i tried backing up my EFS folder and the restoring it because someone said to do that and that just... just no... it didn't do anything. even Odin 3 said it was a "FAIL!". So here i am with this android equivalent to an Ipod and i hate this. Everything else in this ROM works perfectly aside from this but this is a super big problem. PLEASE HELP!!!! A phone isn't a phone if you cant even send a text.
Did you update the phone's bootloader and modem to the latest version before flashing CM?

SM-T520 Modem

In trying to fix issues I had with TWRP 3.1.1 I screwed everything up with my tablet. Ended up being a bad USB cable, but in the process of trying to get it running again I corrupted my modem. I have working Odin and TWRP but no WiFi.
Can't seem to find a stock firmware that includes a modem.bin. Anyone have any ideas?
airtower said:
In trying to fix issues I had with TWRP 3.1.1 I screwed everything up with my tablet. Ended up being a bad USB cable, but in the process of trying to get it running again I corrupted my modem. I have working Odin and TWRP but no WiFi.
Can't seem to find a stock firmware that includes a modem.bin. Anyone have any ideas?
Click to expand...
Click to collapse
Edit - modem was fine, at least after a stock firmware flash, was probably ok all along. Google setup is broken and tries to connect before WiFi setup. Just skip through, setup WiFi and go back to set up and restore.

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