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I haven't seen an over-the-air update for the unlocked S9 G960U1 XAA phone since February 18 2019. I have the January 2019 security patch. Has HTC or Huawei taken over responsibility for the security patching for Samsung?
My carrier happens to be T-Mobile. But the phone was purchased from Samsung and I'm certain I never specified anything about T-Mobile during the purchase process. I see on SamMobile that the XAA CSC has patches through late April 2019. I see that the TMB CSC has no patches beyond February 2019. I have a huge amount of data (music) downloaded onto the phone and would prefer not to wipe it. Any ideas on how best to get the XAA OTA pushed? Or am I destine to sideload the XAA materials from someone like SamMobile?
Thanks in advance for any helpful advice.
TMB Carrier-Specific Customizations overrule unbranded XAA?
I think I may have found an answer to my own question:
https://forum.xda-developers.com/showpost.php?p=79338021&postcount=237
I've got Google Fi sending me a new SIM card. Perhaps when I swap SIMs the "TMB" in the CSC will change/disappear. And then maybe the OTA will work.
Hi
I want to know when the latest update which has the December security patch would be availabe for my phone my CSC code : XSG
Samsung s20 5g AT&T
Hello everyone,
I live in Germany and the mobile we get here is with the Exynos chip.
I found one mobile on eBay which is u.s version
Samsung s20 5g AT&T sm-g981U, the german sim is working but I just found out it's stuck on Feb 2020 security patch.
After reading a little bit online I found out it can only be updated in u.s.a.
Can anyone please tell me what are my update options? Can I install nonAT&T firmware somehow and get the OTA updates?
Thank you, I really appreciate the help.
Search about SamFirm and frija, download the latest firmware, and use Odin. While over the air updates are not available, you can use a laptop, a USB cable and the internet.
Hi,
Could anyone help me to answer the question IF it is possible to flash stock ROM G990B on G990B2 model, and if so how? I need to get band selection working and with the Samsung toolkit and exploit it is not working as I would like it to be, so my thought was to try and flash it with G990B stock rom with security patch earlier than July 2022. Unfortunately G990B2 has earliest stock ROM I could find with security patch from September 2022, means after Samsung screwed up band selection...
One of my friends has converted his S21fe from G990U to G990U1, but both the firmware's binary versions were same. But for your case, you not only want to convert but also want to downgrade to an earlier firmware version. As mentioned on the Samsung OTA update page (See attachment), I am not sure that's possible anymore.
G990B2 I have on September 2022 ROM. I was thinking of going to G990B September 2022 version as well and than try to downgrade to say June 2022. I know on G990B I am able to go easily from Decemeber 2022 down to April 2022, as I did on few devices already. But this G990B2 version threw another stick under my feet...
Shuhan44 said:
One of my friends has converted his S21fe from G990U to G990U1, but both the firmware's binary versions were same. But for your case, you not only want to convert but also want to downgrade to an earlier firmware version. As mentioned on the Samsung OTA update page (See attachment), I am not sure that's possible anymore.
Click to expand...
Click to collapse
Could you ask your friend how did he do the G990U to U1 conversion?
Guys I can't seem to login to sammobile. I need the official SMG990B Android 13 Ui 5 european version... pls help...
I have a US unlocked S20 Ultra 5G (SM-G988U1), but I'm using it in the EU.
I'm missing certain features such as VoLTE, and think it has something do to with the CSC being XAA/XAA/XAA/XAA.
I would need the EUX multi-CSC firmware, but that only exists for the SM-G988B (international, exynos)
Is it possible to add missing CSCs to the U1 (snapdragon) firmware. Specifically EUX, ATO?