Changing CSC with SamKey (New version)

[Proday]

CHC firmware can be owerwriten with TGY witouth problems...if any1 needs that info [emoji6][emoji2772]

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[ermacwins]

What's the benefits of changing CSC? First Samsung phone since S2.

 

[*Detection*]

What's the benefits of changing CSC? First Samsung phone since S2.

Faster updates, direct from Samsung instead of carrier, unlock region specific features like call recording or VoLTE etc

 

[ermacwins]

Faster updates, direct from Samsung instead of carrier, unlock region specific features like call recording or VoLTE etc

I've got the Snapdragon S20 G9810 which I believe is the Hong Kong model. There's no point in doing it is there?

 

[*Detection*]

I've got the Snapdragon S20 G9810 which I believe is the Hong Kong model. There's no point in doing it is there?

Going by the dates of the G9810 firmware on sammobile, it looks like the Hong Kong CSC gets the updates pretty much first anyway for that model

 

[ermacwins]

Faster updates, direct from Samsung instead of carrier, unlock region specific features like call recording or VoLTE etc

Going by the dates of the G9810 firmware on sammobile, it looks like the Hong Kong CSC gets the updates pretty much first anyway for that model

After rooting/flashing kernel, can you go back to fully stock?

 

[*Detection*]

After rooting/flashing kernel, can you go back to fully stock?

Yes, but you can never reset Knox e-fuse, so your warranty will be void and some banking apps won't work.

 

[ermacwins]

Yes, but you can never reset Knox e-fuse, so your warranty will be void and some banking apps won't work.

Not fussed about warranty as I imported but not able to use banking app is a must.

 

[quertox]

Hi all. I'm using note 20 ultra 5g n9860 tgy but now i bought s20 5g g9810 but chc and a can't sync samsung health data...

And is there a possibility to flash firmware for TGY region (both are g9810) or just to simply change it with this apk?!

And one more thing; this g9810 is chc version bought on tradingshanzen and comes with play store. If I make factory reset will I lose ps?

Thanks for answering amd helping [emoji2772]

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Hi, how did you change the csv since I also have the chc?

 

[Proday]

@quertox I've downloaded last TGY Firmware (October) from Sammobile and flashed it with Odin. To enter download mode on s20 turn it off, pres and hold up+vol down together and connect usb-c from pc to a phone. After you get screen on Chinese you have to press vol up once to enter download mode. Good luck [emoji112]

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[quertox]

@Proday thanks mate. Did you lose all your data? I don't wanna do a full back up.

 

[Proday]

@quertox yes i am...you can always use home.csc from firmware and keep all data but my honest suggestion is thqt you do full whipe and install all again! Thrust me, I know thqt is annoying but helps with battery life and all

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[Powergeek2017]

i spend 2 credit yerterday. nothing happens.

You need to remove your sim card, deactivate your esim and remove all unlock features as pin code or fingerprints. It works flawlessly.

 

[elliwigy]

You can't change the original CSC, but your current and active CSC are now ITV and that's all that matters

huh? this whole thread is about changing original csc.. if u mean the last 3 letters that is the carrier ID, not csc.. the others that do change are sales code and network code

 

[*Detection*]

huh? this whole thread is about changing original csc.. if u mean the last 3 letters that is the carrier ID, not csc.. the others that do change are sales code and network code

My S20U came locked with O2 carrier (O2U) CSC, I used samkey to change CSCs to BTU, I never once put an O2 SIM card in that phone, my contract SIM is EE, I have even since removed the EE SIM and put it in my N20U and factory reset the S20U, and the last 3 characters are still O2U (Original CSC)


My N20U I also changed to BTU from EVR (EE Carrier) and last 3 characters are also EVR

 

[gee2012]

Don`t know whats wrong withe the samkey.org login page. I cannot seem to login with an active username and password. In the chat the representative said they don`t allow anymore new payments to buy credits to change my CSC service provider.
Has anyone experienced the same problems?

 

[mimsiroll]

has anyone tried it from different country if you dont have all region unlocked?
i have a s20 ultra 5g from hongkong and i want to change it to US for faster software update, will it be possible?

 

[alirz]

I’ve been out of the loop since my s8 days. Back then you could just flash the factory bin file and the desired fw to change the
What’s so special about the s20 and this SAMKEY?

 

[aresbv2000]

huh? this whole thread is about changing original csc.. if u mean the last 3 letters that is the carrier ID, not csc.. the others that do change are sales code and network code

Can the last csc from list be changed?

 

[carlitobahsoun]

Can the last csc from list be changed?

View attachment 5118439

nope

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