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#CAN I DOWNGRADE FIRMWARE WITH A LOCKED BOOTLOADER UPDATE#
#CAN I DOWNGRADE FIRMWARE WITH A LOCKED BOOTLOADER SOFTWARE#
#CAN I DOWNGRADE FIRMWARE WITH A LOCKED BOOTLOADER ZIP#
#CAN I DOWNGRADE FIRMWARE WITH A LOCKED BOOTLOADER DOWNLOAD#

It’s very very easy to change or switch the active CSC on a Samsung smartphone or Galaxy Tab if it has a Multi-CSC firmware on it. Warning: Changing the CSC on your Samsung device will wipe all the data and rest it to the factory state. Thus, INS/ INS,INS/ INS, shows that the active CSC on my Note 10+ is INS it supports 2 SIM cards from any Indian operator it has been made to be sold in India. The third and the last CSC value shows the country or region for which the phone has been manufactured³. The middle part shows whether your phone is a single or dual-SIM² model. The first CSC value refers to the Active CSC¹ on your phone. Dual SIM models: XXX ¹ / XXX,XXX ² / XXX ³.Single SIM models: XXX ¹ / XXX ² / XXX ³.Actually, there are two formats in which CSC is shown on Samsung devices and it depends on the fact whether your device is a single or dual SIM variant. If you are curious why the INS CSC is mentioned four times ( INS/ INS,INS/ INS) in the screenshot above, here’s the explanation. It means that you can easily change the CSC of your Galaxy phone or Galaxy Tab. OXM is a group of CSCs that contains multiple sub-CSCs inside it. If the CSC of your Samsung device is OXM it means it has Multi-CSC firmware installed on it. As you can see, the CSC of my Galaxy Note 10+ is OXM and INS (India) as the active CSC.You’ll find the CSC of your Samsung Galaxy phone.

#CAN I DOWNGRADE FIRMWARE WITH A LOCKED BOOTLOADER SOFTWARE#

Go to About phone > Software information.It’s very easy to find out the current CSC of your Samsung device. Choosing this file will only affect the software version of your phone while keeping everything intact.

#CAN I DOWNGRADE FIRMWARE WITH A LOCKED BOOTLOADER UPDATE#

If your purpose is to just re-install the firmware or update your Samsung device’s software without wiping your apps, all user data, and settings, you should go with the HOME CSC binary. If you feel that your phone is slow and experience any lag or misbehavior, wiping the phone might help fix those issues. Flashing the CSC binary will result in a clean installation. The image, video, audio, and all other files present on the internal storage will be deleted. You’ll have to set up your device and log into your Samsung and Google account again. When your Samsung phone or Galaxy Tab boots up, your device will be in the same state (on software level) as it was when you purchased it. If you want Odin to wipe all third-party apps, data, and settings and perform a factory reset while installing the firmware, you should add the CSC binary to Odin. Once you understand the purpose of CSC and HOME CSC, you’ll have no confusion. Here’s how these two CSC files differ from each other. You may get confused about whether you should flash CSC or HOME CSC in Odin. It’s very easy to add the corresponding firmware binaries to respective fields in Odin.

#CAN I DOWNGRADE FIRMWARE WITH A LOCKED BOOTLOADER DOWNLOAD#

You can use the Frija Samsung firmware download tool or other sources to download CSC, HOME CSC, BL, AP, and CP files for Odin.

#CAN I DOWNGRADE FIRMWARE WITH A LOCKED BOOTLOADER ZIP#

When you extract the Samsung firmware zip file, you’ll find 5 binaries inside it.

Samsung FUS: CSC also contains key info to help Samsung’s Firmware Update Server to connect to the correct update channel and roll out the proper software update to your Galaxy device via OTA.

Without these configurations, you may not be able to enjoy seamless GSM, GPRS, 3G, or 4G mobile networks.

APN Settings: Access Point Name settings include all configurations to make a mobile device work with the network carriers of a region or country.

Localization also determines the calendar settings and local festivals.

Localizations: Samsung ships its devices with geo-specific or bloat apps relevant to a country or region.

For example, if you own a Samsung phone in Mexico and flash the firmware meant for India with INS as CSC, you won’t be able to set Spanish, Nahuatl, or Mixtec as your phone’s system language and keyboard.

System Languages: These include the availability of the popular languages used in a geographical area.

However, if your device is locked to a network operator, it could be VOD (Vodafone), TMU (T-Mobile), ORA (Orange), XEU (EE & Three), etc. For instance, if you use an unlocked or unbranded Samsung Galaxy phone in the UK, its CSC would be BTU. Samsung releases the same model of a smartphone to Tab with different CSCs.

Carrier branding: A CSC may be country or carrier-specific.