SM-T290: differences in firmware versions - Samsung Galaxy Tab A series Questions & Answers

Can someone tell me, what is the difference between T290UEU3BUC1 (XAR version) and T290XXU3BUC1 (Multi CSC: OXM version)?
I try to match what's already on the tablet when I choose an upgrade firmware, but I'm not sure what to do with apps such as Frija which don't always give you a choice.
For that matter, what would happen if I chose the XNZ version, since I live in New Zealand?

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[Q] CSC from other pack

Hi
There is this stock package for s5360 - S5360_XXLK1_OXFLK1_XXLH2. There is Polish language but there is no XEO. Can I use CSC from another ROM pack for example from this S5360_XXLH2_OXXLH2_XXLH2 ??
Why not try:
S5360_XXKL3_OXXKL1_XXKL3
European multilanguage build.
based on: S5360XXKL3_S5360OXXKL1_RST_S5360XXKL3_HOME.tar.md5
ro.build.date=Wed Dec 14 17:16:14 KST 2011
Supported languages:
XX = de,en,es,fr,hu,it,nl,pt(cs,da,el,fi,no,pl,sl,sv,tr )
Included CSCs: (Default is XEU)
ATO AUT COS CPW CYO CYV EIR EUR FOP ITV MOO PAN PHE SUW TPH XEF XEH XEO XEU XEZ XSK
After the flash, set your country/provider in dialer *#272*[yourIMEI]# (-> It will wipe your data, and rebrand the phone to specific country/carrier)
This build does not contais any provider specific bloatware
I think pl is polish language and XEO is there also in this stock firmware.
Also Doky73 is converting and releasing new firmware updates at present, he just did Polish T-Mobile stock ROM today so maybe you can check Sammobile for new firmware for yourself and ask nicely if he will convert it? :angel:​
I would like to use newest ROM. The newest is S5360_XXLK1_OXFLK1_XXLH2.
Is this CSC setting really important ?
jurasjo said:
I would like to use newest ROM. The newest is S5360_XXLK1_OXFLK1_XXLH2.
Is this CSC setting really important ?
Click to expand...
Click to collapse
I thought it was but apparently it is not so important at all. (See the Q&A Ask any questions thread). Just flash the latest firmware that you want which supports your language and you should be fine apart from having to set up your data network settings manually (APN settings). I have to do this anyway as my carrier is not major so I keep a list of the settings for when I change ROM, if you don't have those written down or cannot find them online get them from your phone before you do anything else.
Also, have you made a nandroid backup using CWM recovery yet? Always do this before making major changes, it could save you a lot of trouble if things go wrong! (I didn't and it caused me a lot of trouble lol). Also make a note of your IMEI number by pressing *#06# in dialer.
If when you have flashed the firmware you cannot connect to your carrier, then press *#272#(your IMEI number)# and it should fix it. If it doesn't (I am told this is very unlikely) then just flash the CSC file as you were asking about doing in your first post using Odin and it should all be good again.
I have been told that the CSC doesn't matter but have not had chance to test it myself yet as I only found out tonight!
Good luck :good:

[Q] Firmware download form different country??

ive seen other threads on this topic but none really answered properly.
I live in Ireland and bought my phone unlocked from the UK , i want to get my stock firmware back but i cant find one that suits my model and version. So would i
harm my device if i used a firmware from a different country that has the correct firmware i want????
s4 i9505
If the phone is unlocked you shouldn't have any issues. Except with CSC maybe.
whats CSC exactly?
Consumer Service Code, which is what Samsung uses to customize the firmware for a particular region. With devices that are locked to their carriers this also means the apps that the carrier wishes to add to the firmware. In your case, since your S4 is not locked to a carrier you can install any stock ROM you wish from any region. For example, my unlocked I9505 was originally on O2 in the UK (CSC O2U). When I purchased it from its original owner it came to me with Slovenian firmware (SI Mobil, CSC SIM). I subsequently flashed unbranded firmware onto the device and ended up with a device that thought it was Swiss (CSC AUT). In this last instance, three Swiss-specific apps were added that are not found in the other versions of the firmware. These apps were added because the CSC reported itself to the firmware installer and said, "install these apps as well". Had I changed the CSC to BTU I likely would have gotten some UK-specific firmware.

"Cleanest" Stock ROM (CSC) & Multi-CSC (DL from SamFirm Tool) Question

Hallo!
My S7Edge is XFA (stuck on 6.0.1) and I have moved to Europe and currently live in Germany. I want to flash an unbranded European firmware and hope you can help with the following questions:
1. "Cleanest" Stock ROM (CSC)
Which of the following have the least amount of unwanted carrier or country specific apps?
• Switzerland (AUT)
• Nordics (NEE)
• Germany (DBT)
Just out of curiosity, are there some regions (CSC's) where stock ROMs do not include pre-installed apps like Whatsapp, Facebook, Word, Excel etc.?
Which of these is more likely to get future updates quicker?
2. Multi-CSC
I am going to download one of the ROMs with the SamFirm download tool.
Are these firmware files single or multi-CSC? For example if I download AUT, is only AUT included in the CSC file or can there be others?
I am asking, becuase when flashing, will I get the CSC of the ROM I downloaded or the first in a list of multi-CSC's?
Note that I am not going to root to change the CSC.

S5 Duos G900FD Baseband confusion: no update for my region/country + CP,AP,CSC differ

Dear XDA,
to get my fingerprint sensor working with Lineage-OS 7.1.2 on my S5 Duos, I want to update the baseband firmware.
Because I couldn't find any clear information of the region of my phone (*#1234# didn't work with lineage-os), and there is no firmware for my country/region, I thought I go the super-easy way to update via Kies3.
Done so, but unfortunately the baseband isn't updated, and there are no FOTA/Kies3 updates available. AP has been updated to the latest version (G900FDXXS1CQD2), but not the baseband ...
When I check AP,CP,CSC on now-stock rom with *#1234#, it says:
AP: G900FDXXS1CQD2
CP: G900FDXXU1CQA4 (as before Kies3-update)
CSC: g900FDOJV1CQB1
On sammobile.com and samsung-updates.com I find G900FDXXs1CQD2 firmwares, but nowhere they say whether it's AP, CSC or CP (the thing I need updated).
I think I don't mind the region as long as English and French is included and I can use LTE in (Western) Europe.
Two questions:
1)
a) when it says "Version" on (can't post urls) samsung-updates: is this the CP/Baseband?
b) similar on sammobile.com: There is PDA and CSC, both differing. But I need baseband/cp.
2) I understand that there are no carrier-specific firmwares (S5 duos apparently not sold by carriers?). So if version/pda is also baseband, which firmware do I download? There are 8 different firmwares with G900FDXXS1CQD2?
kind regards
1. Most likely it's AP, but CP should be the same as AP inside. Sorry, it looks like CQA4 is the latest CP for this S5 variant.
2. Most likely any if you're planning to flash modem only.
CPs will be the same.
Carrier firmwares within one S5 VARIANT and firmware VERSION differ by CSC and hidden partition size.

SM-G8850 Samsung Galaxy A9 Star change from CHC to TGY

I have a Samsung Galaxy A9 Star (SM-G8850) purchased on the Chinese market. Once updated to the latest firmware I get:
AP: G8850ZCU3ASA1
CP: G8850ZCU3ASA1
CSC: G8850CHC3ASA1
Model: SM-G8850/DS
The firmware comes with all the usual Chinese crapware and I would like to switch it to the Hong Kong (TGY) firmware in order to access Google Play Services and use it outside China. I have found the official pages detailing the firmware versions (CHC for China, TGY for HK) and the appropriate page on SamMobile with instructions for uploading a new firmware using Odin.
Is this process safe and/or reversible? Do I need to root or install TWRP recovery first? Are the China/HK versions of the phone hardware-identical? Is there a guide for this for a similar phone that I could attempt to follow, is there anything else I need to consider relating to partition size? Is there a different way to install GApps and Google Play Services on a Chinese market phone? Has anyone tried this before?
Thanks for any help!
Update on progress. Unfortunately this is currently not possible for me since I updated the Chinese firmware from bootloader U1 to U3, and the latest version of the TGY firmware still uses U2. I think it would be necessary to root the phone to downgrade, which would trigger Knox.
CSC CHC: G8850ZCU3ASA1
CSC TGY: G8850ZHU2ASA1
Attempting to flash the old version results in "SW REV CHECK FAIL [abl]Fused 3 > Binary 2"
For anyone who has not yet updated, if flashing directly with the same bootloader level doesn't work, this guide seems likely to work:
https://forum.xda-developers.com/galaxy-s8/how-to/guide-changing-csc-s8-s8-root-t3799045
Using combination files available here:
https://combinationfirmware.com/combination-samsung-galaxy-a9-star
Would appreciate reports from anyone trying this. I will be waiting for a TGY build using U3.
Another update. TGY Build G8850ZHU3BSEB was released, with U3 bootloader and Android 9. Using this firmware, it is possible to change the phone from the Chinese CHC firmware to Hong Kong TGY firmware. The phone changes its model number from Galaxy A9 Star to Galaxy A8 Star. Simply download Odin 3.13.3 and the firmware from https://www.sammobile.com/samsung/galaxy-a8-star/firmware/SM-G8850/ and flash.

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