How to Relock Bootloader on Any Samsung Galaxy Phones?

Though having a bootloader unlocked Android device can be beneficial in several ways, especially if you’re a developer or an advanced-level of Android user to do things like flashing custom firmware, installing custom recovery, enabling root access, installing custom modules, etc, sometimes it can be a hassle for some users due to security or privacy reasons. Well, if you’re a Samsung Galaxy user and want to get back to the factory-locked bootloader status again, you can check how to Relock Bootloader on any Samsung Galaxy Phone easily.

Google’s SafetyNet feature considers the locked bootloader of an Android device to be safe and secure. But whenever it detects any kind of system firmware modification or rooting or bootloader unlocking status, it eventually prevents some of the services like online payment or online banking regarding applications to run properly. Although Magisk-rooted devices can be able to use all apps and services without any restriction, relocking the bootloader does have plenty of benefits too.

These days, Samsung Galaxy devices come with many advanced features and customizations out of the box. But most advanced users prefer bootloader unlocking and flashing third-party files on their phones to get more modifications and admin privileges over the subsystem files. But if you’re trying to sell your handset to someone else, you might need to relock the bootloader. Otherwise, an unlocked bootloader warning message will appear every time the user boots the device.

What is Bootloader?

A device bootloader is a code or a program that starts when the device is powered on to choose and run the operating system on our device every time we boot our handset. It basically tells the operating system and kernel to run the recovery mode or initiate the boot process in the system. It’s also worth mentioning that the device bootloader can be found on each operating system running devices or gadgets like smartphones, tablets, PCs, etc.

Due to Android’s open-source nature, it’s quite easy to unlock the device’s bootloader. By unlocking it, you will be able to flash any third-party Custom ROM, Root, Mod files, Custom Recovery, and more. This will give you simple access to tweak your Android device. Similarly, you can even relock the bootloader, and that’s what we’ll gonna provide you in this guide.

Supported Samsung Devices:

Samsung Galaxy F22	Samsung Galaxy A8s	Samsung Galaxy Tab A7 10.4 (2020)
Samsung Galaxy M32	Samsung Galaxy A9 (2016)	Samsung Galaxy M31S
Samsung Galaxy A22 5G	Samsung Galaxy A9 Pro (2016)	Samsung Galaxy Z Flip 5G
Samsung Galaxy A22	Samsung Galaxy A9 (2018)	Samsung Galaxy M01S
Samsung Galaxy Tab A7 Lite	Samsung Galaxy A90	Samsung Galaxy M01 Core
Samsung Galaxy Tab S7 FE	Samsung Galaxy A90 5G	Samsung Galaxy A01 Core
Samsung Galaxy F52 5G	Samsung Galaxy A80	Samsung Galaxy M01
Samsung Galaxy M42 5G	Samsung Galaxy A70	Samsung Galaxy A21s
Samsung Galaxy F12	Samsung Galaxy A71	Samsung Galaxy A Quantum
Samsung Galaxy F02s	Samsung Galaxy A71 5G	Samsung Galaxy A11
Samsung Galaxy A72	Samsung Galaxy A70s	Samsung Galaxy M21
Samsung Galaxy A52 5G	Samsung Galaxy A60	Samsung Galaxy A41
Samsung Galaxy A52	Samsung Galaxy A50S	Samsung Galaxy A31
Samsung Galaxy A52s 5G	Samsung Galaxy A50	Samsung Galaxy Tab S6 Lite
Samsung Galaxy A32	Samsung Galaxy A51	Samsung Galaxy M11
Samsung Galaxy Xcover 5	Samsung Galaxy A40	Samsung Galaxy A51 5G
Samsung Galaxy M62	Samsung Galaxy A30S	Samsung Galaxy A51 5G UW
Samsung Galaxy F62	Samsung Galaxy A30	Samsung Galaxy J2 Core (2020)
Samsung Galaxy M12	Samsung Galaxy A20E	Samsung Exhibit II 4G T679
Samsung Galaxy S21 Ultra 5G	Samsung Galaxy A20s	Samsung Exhilarate i577
Samsung Galaxy S21+ 5G	Samsung Galaxy A21	Samsung Galaxy A3
Samsung Galaxy S21 5G	Samsung Galaxy A20	Samsung Galaxy A3 Duos
Samsung Galaxy S21 FE 5G	Samsung Galaxy A10E	Samsung Galaxy A3 (2016)
Samsung Galaxy A32 5G	Samsung Galaxy A10S	Samsung Galaxy A3 (2017)
Samsung Galaxy M02s	Samsung Galaxy A10	Samsung Galaxy A5
Samsung Galaxy A12	Samsung Galaxy A01	Samsung Galaxy A5 Duos
Samsung Galaxy A02	Samsung Galaxy A9 Star	Samsung Galaxy A5 (2016)
Samsung Galaxy M21S	Samsung Galaxy Ace 2 (all variants)	Samsung Galaxy A5 (2017)
Samsung Galaxy M31 Prime	Samsung Galaxy Ace 3	Samsung Galaxy A6s
Samsung Galaxy F41	Samsung Galaxy Ace 4 (all variants)	Samsung Galaxy A6 (2018)
Samsung Galaxy S20 FE 5G	Samsung Galaxy Ace Advance S6800	Samsung Galaxy A6 Plus (2018)
Samsung Galaxy S20 FE	Samsung Galaxy Ace Duos (all variants)	Samsung Galaxy A7
Samsung Galaxy Tab Active3	Samsung Galaxy Ace NXT	Samsung Galaxy A7 (2016)
Samsung Galaxy A42 5G	Samsung Galaxy Ace Plus S7500	Samsung Galaxy A7 (2017)
Samsung Galaxy M51	Samsung Galaxy Ace Style (all variants)	Samsung Galaxy A7 (2018)
Samsung Galaxy Golden (all variants)	Samsung Galaxy Alpha (all variants)	Samsung Galaxy A8
Samsung Galaxy Grand (all variants)	Samsung Galaxy Appeal I827	Samsung Galaxy A8 Duos
Samsung Galaxy Grand 2	Samsung Galaxy Attain 4G	Samsung Galaxy A8 (2016)
Samsung Galaxy Grand Max	Samsung Galaxy Avant	Samsung Galaxy A8 2018
Samsung Galaxy Grand Neo	Samsung Galaxy Axiom R830	Samsung Galaxy A8 Plus 2018
Samsung Galaxy Grand Prime	Samsung Galaxy Beam	Samsung Galaxy Mega 6.3 I9200
Samsung Galaxy Grand Prime Duos TV	Samsung Galaxy Beam 2	Samsung Galaxy Mini 2 S6500
Samsung Galaxy Grand Prime Plus	Samsung Galaxy C5	Samsung Galaxy Music S6010
Samsung Galaxy J	Samsung Galaxy C5 Pro	Samsung Galaxy Music Duos S6012
Samsung Galaxy J Max	Samsung Galaxy C7	Samsung Galaxy Note (all variants)
Samsung Galaxy J1	Samsung Galaxy C7 (2017)	Samsung Galaxy Note Edge
Samsung Galaxy J1 4G	Samsung Galaxy C7 Pro	Samsung Galaxy Note FE
Samsung Galaxy J1 Ace	Samsung Galaxy C9 Pro	Samsung Galaxy Note 2 (all variants)
Samsung Galaxy J1 Ace Neo	Samsung Galaxy Camera GC100	Samsung Galaxy Note 3 (all variants)
Samsung Galaxy J1 (2016)	Samsung Galaxy Camera 2 GC200	Samsung Galaxy Note 3 Neo
Samsung Galaxy J1 Mini Prime	Samsung Galaxy Chat B5330	Samsung Galaxy Note 3 Neo Duos
Samsung Galaxy J2 (2016)	Samsung Galaxy A2 Core	Samsung Galaxy Note 4 (all variants)
Samsung Galaxy J2 (2017)	Samsung Galaxy Core (all variants)	Samsung Galaxy Note 4 Duos
Samsung Galaxy J2 Prime	Samsung Galaxy Discover S730M	Samsung Galaxy Note 4 (CDMA)
Samsung Galaxy J2 Pro	Samsung Galaxy E5	Samsung Galaxy Note 5
Samsung Galaxy J2 Core	Samsung Galaxy E7	Samsung Galaxy Note 5 Duos
Samsung Galaxy J3 (2016)	Samsung Galaxy Exhibit T599	Samsung Galaxy Note 5 (cdma)
Samsung Galaxy J3 (2017)	Samsung Galaxy Express (all variants)	Samsung Galaxy Note 7 (all variants)
Samsung Galaxy J3 Emerge	Samsung Galaxy Express 2	Samsung Galaxy Note 8
Samsung Galaxy J3 Pro	Samsung Galaxy Fame S6810	Samsung Galaxy Note 9
Samsung Galaxy J3 (2018)	Samsung Galaxy Fame Lite S6790	Samsung Galaxy Note 10 5G
Samsung Galaxy J4	Samsung Galaxy Fame Lite Duos S6792L	Samsung Galaxy Note 10
Samsung Galaxy J5	Samsung Galaxy Fresh S7390	Samsung Galaxy Note10 Lite
Samsung Galaxy J5 (2016)	Samsung Galaxy Fold	Samsung Galaxy Note 10 Plus
Samsung Galaxy J5 (2017)	Samsung Galaxy Fold 5G	Samsung Galaxy Note 10 Plus 5G
Samsung Galaxy J5 Prime	Samsung Galaxy Z Fold2 5G	Samsung Galaxy Note 20 5G
Samsung Galaxy J6	Samsung Galaxy Z Fold3 5G	Samsung Galaxy Note 20
Samsung Galaxy J7	Samsung Galaxy Prevail 2	Samsung Galaxy Note20 Ultra
Samsung Galaxy J7 (2016)	Samsung Galaxy Proclaim S720C	Samsung Galaxy Note20 Ultra 5G
Samsung Galaxy J7 (2017)	Samsung Galaxy Reverb M950	Samsung Galaxy Note 8.0
Samsung Galaxy J7 Max	Samsung Galaxy Round G910S	Samsung Galaxy Note 8.0 Wi-Fi
Samsung Galaxy J7 Prime	Samsung Galaxy Rush M830	Samsung Galaxy Note 10.1 (all variants)
Samsung Galaxy J7 Pro	Samsung Galaxy Rugby Pro I547	Samsung Galaxy Note 10.1 (2014 Edition)
Samsung Galaxy J7 V	Samsung Galaxy S Light Luxury	Samsung Galaxy Note Pro 12.2 (all variants)
Samsung Galaxy J7 Prime 2	Samsung Galaxy S Advance	Samsung Galaxy Nexus (all variants)
Samsung Galaxy J7 Duo 2018	Samsung Galaxy S Blaze 4G T769	Samsung Galaxy On5
Samsung Galaxy J7 (2018)	Samsung Galaxy S Duos S7562	Samsung Galaxy On5 Pro
Samsung Galaxy J8	Samsung Galaxy S Duos 2 S7582	Samsung Galaxy On6
Samsung Galaxy K Zoom	Samsung Galaxy S Duos 3	Samsung Galaxy On7
Samsung Galaxy Light	Samsung Galaxy S Lightray 4G R940	Samsung Galaxy On7 Pro
Samsung Galaxy M31	Samsung Galaxy S Relay 4G T699	Samsung Galaxy On7 (2016)
Samsung Galaxy M30s	Samsung Galaxy S2 (all variants)	Samsung Galaxy On8
Samsung Galaxy M30	Samsung Galaxy S2 Duos	Samsung Galaxy Player 70 Plus
Samsung Galaxy M20	Samsung Galaxy S2 Plus	Samsung Galaxy Pocket S5300
Samsung Galaxy M10s	Samsung Galaxy S2 Skyrocket HD I757	Samsung Galaxy Pocket Duos S5302
Samsung Galaxy M10	Samsung Galaxy S3 (all variants)	Samsung Galaxy Pocket Plus S5301
Samsung Galaxy M Style M340S	Samsung Galaxy S3 Mini	Samsung Galaxy Pocket 2
Samsung Galaxy Mega 2	Samsung Galaxy S3 Neo	Samsung Galaxy Pocket Neo S5310
Samsung Galaxy Mega 5.8 I9150	Samsung Galaxy S4 (all variants)	Samsung Galaxy Pop Plus S5570i
Samsung Galaxy Star S5280	Samsung Galaxy S4 Active	Samsung Galaxy Premier I9260
Samsung Galaxy Star Pro S7260	Samsung Galaxy S4 Mini	Samsung Galaxy Tab 7.7 (all variants)
Samsung Galaxy Star Trios S5283	Samsung Galaxy S4 Zoom	Samsung Galaxy Tab 8.9 (all variants)
Samsung Galaxy Star 2	Samsung Galaxy S5 (all variants)	Samsung Galaxy Tab A 7.0 (2016)
Samsung Galaxy Star 2 Plus	Samsung Galaxy S5 Active	Samsung Galaxy Tab A 8.0 2019
Samsung Galaxy Stellar 4G I200	Samsung Galaxy S5 Duos	Samsung Galaxy Tab A 8.0
Samsung Galaxy Tab S7+	Samsung Galaxy S5 Plus	Samsung Galaxy Tab A 8.0 (2017)
Samsung Galaxy Tab S7	Samsung Galaxy S5 Mini	Samsung Galaxy Tab A 9.7
Samsung Galaxy Tab S6 5G	Samsung Galaxy S5 Mini Duos	Samsung Galaxy Tab A 10.1 (2016)
Samsung Galaxy Tab A 8 (2019)	Samsung Galaxy S5 Neo	Samsung Galaxy Tab Active (all variants)
Samsung Galaxy Tab A 10.1 (2019)	Samsung Galaxy S6	Samsung Galaxy Tab Active 2
Samsung Galaxy Tab Advanced2	Samsung Galaxy S6 (CDMA)	Samsung Galaxy Tab E 8.0
Samsung Galaxy Watch Active2	Samsung Galaxy S6 Active	Samsung Galaxy Tab E 9.6
Samsung Galaxy Tab Active Pro	Samsung Galaxy S6 Edge	Samsung Galaxy Tab S 8.4 (all variants)
Samsung Galaxy Tab 2 7.0 (all variants)	Samsung Galaxy S6 Edge (CDMA)	Samsung Galaxy Tab S 10.5 (all variants)
Samsung Galaxy Tab 2 10.1 (all variants)	Samsung Galaxy S6 Edge Plus	Samsung Galaxy Tab S2 8.0
Samsung Galaxy Tab 3 7.0 (all variants)	Samsung Galaxy S6 Edge Plus Duos	Samsung Galaxy Tab S2 9.7
Samsung Galaxy Tab 3 7.0 Lite (all variants)	Samsung Galaxy S6 Edge Plus (cdma)	Samsung Galaxy Tab S3 9.7
Samsung Galaxy Tab 3 8.0 (all variants)	Samsung Galaxy S7	Samsung Galaxy Tab S4 10.5
Samsung Galaxy Tab 3 10.1 (all variants)	Samsung Galaxy S7 Active	Samsung Galaxy Tab S5e
Samsung Galaxy Tab 3 Lite 7.0 VE	Samsung Galaxy S7 Edge	Samsung Galaxy Tab S6
Samsung Galaxy Tab 3 V	Samsung Galaxy S8	Samsung Galaxy Tab A 10.5 (2018)
Samsung Galaxy Tab 4 7.0 (all variants)	Samsung Galaxy S8 Active	Samsung Galaxy Tab Pro 8.4
Samsung Galaxy Tab 4 8.0	Samsung Galaxy S8 Plus	Samsung Galaxy Tab Pro 10.1
Samsung Galaxy Tab 4 10.1 (all variants)	Samsung Galaxy S9	Samsung Galaxy Tab Pro 12.2
Samsung Galaxy Tab 7.0 Plus (all variants)	Samsung Galaxy S9 Plus	Samsung Galaxy Trend II Duos S7572
Samsung Google Nexus 10 P8110	Samsung Galaxy S10	Samsung Galaxy V
Samsung Illusion	Samsung Galaxy S10 5G	Samsung Galaxy V Plus
Samsung Repp	Samsung Galaxy S10 Plus	Samsung Galaxy Victory 4G LTE L300
Samsung Rugby Smart I847	Samsung Galaxy S10 Lite	Samsung Galaxy View
Samsung Z	Samsung Galaxy S10E	Samsung Galaxy View2
Samsung Z1	Samsung Galaxy S20 Ultra 5G	Samsung Galaxy W (all variants)
Samsung Z2	Samsung Galaxy S20 Ultra	Samsung Galaxy Win I8550
Samsung Z3	Samsung Galaxy S20 Plus 5G	Samsung Galaxy Win Pro G3812
Samsung Z3 Corporate Edition	Samsung Galaxy S20 5G	Samsung Galaxy Xcover Pro
Samsung Galaxy Z Flip	Samsung Galaxy S20	Samsung Galaxy Xcover FieldPro
Samsung Galaxy Z Flip 5G	Samsung Galaxy S20 Plus	Samsung Galaxy Xcover 2
Samsung Galaxy A13	Samsung Galaxy A04e	Samsung Galaxy Xcover 3
Samsung Galaxy A13 5G	Samsung Galaxy Tab Active4 Pro	Samsung Galaxy Xcover 4
Samsung Galaxy A03	Samsung Galaxy A04s	Samsung Galaxy Xcover 4s
Samsung Galaxy A03s	Samsung Galaxy A04	Samsung Galaxy Y Duos S6102
Samsung Galaxy A03 Core	Samsung Galaxy Z Fold4	Samsung Galaxy Y Plus S5303
Samsung Galaxy F42 5G	Samsung Galaxy Z Flip4	Samsung Galaxy Y Pro Duos B5512
Samsung Galaxy M52 5G	Samsung Galaxy A23 5G	Samsung Galaxy Young S6310
Samsung Galaxy M22	Samsung Galaxy M13 5G	Samsung Galaxy Young 2
Samsung Galaxy M32 5G	Samsung Galaxy A53 5G	Samsung Galaxy A53 5G
Samsung Galaxy Z Flip3 5G	Samsung Galaxy F13	Samsung Galaxy A73 5G
Samsung Galaxy M21 2021	Samsung Galaxy Xcover6 Pro	Samsung Galaxy S20 FE 2022
Samsung Galaxy Tab A8 10.5 2021	Samsung Galaxy Tab A7 10.4 (2022)	Samsung Galaxy M53
Samsung Galaxy S22 Ultra 5G	Samsung Galaxy M04	Samsung Galaxy Tab S6 Lite 2022
Samsung Galaxy S22 Plus 5G	Samsung Galaxy F04	Samsung Galaxy M13
Samsung Galaxy S22 5G	Samsung Galaxy M23	Samsung Galaxy Tab S8
Samsung Galaxy Tab S8 Ultra	Samsung Galaxy A23	Samsung Galaxy F23
Samsung Galaxy Tab S8 Plus	Samsung Galaxy A33 5G	Samsung Galaxy M33
Samsung Galaxy A14 5G	Samsung Galaxy S23	Samsung Galaxy S23+
Samsung Galaxy S23 Ultra	Samsung Galaxy A14	Samsung Galaxy M14
Samsung Galaxy A34	Samsung Galaxy A54	Samsung Galaxy M54
Samsung Galaxy F14	Samsung Galaxy A24 4G	Samsung Galaxy F54
Samsung Galaxy M34 5G	Samsung Galaxy Watch6	Samsung Galaxy Tab S9
Samsung Galaxy Tab S9+	Samsung Galaxy Tab S9 Ultra	Samsung Galaxy Z Flip5
Samsung Galaxy Z Fold5	Samsung Galaxy F34	Samsung Galaxy A05
Samsung Galaxy A05s	Samsung Galaxy Tab S9 FE	Samsung Galaxy Tab S9 FE+
Samsung Galaxy S23 FE	Samsung Galaxy Tab A9	Samsung Galaxy Tab A9+
Samsung Galaxy A15	Samsung Galaxy A15 5G	Samsung Galaxy A25
Samsung Galaxy Tab Active 5	Samsung Galaxy Xcover 7	Samsung Galaxy S24 Ultra
Samsung Galaxy S24	Samsung Galaxy S24 Plus	Samsung Galaxy F15
Samsung Galaxy M14 4G	Samsung Galaxy M15	Samsung Galaxy A35
Samsung Galaxy A55	Samsung Galaxy Tab S6 Lite 2024	Samsung Galaxy M55
Samsung Galaxy C55	Samsung Galaxy F55	Samsung Galaxy M35
Samsung Galaxy Watch FE	Samsung Galaxy Watch 7	Samsung Galaxy Watch Ultra
Samsung Galaxy Z Flip 6	Samsung Galaxy Z Fold 6	Samsung Galaxy F14 4G
Samsung Galaxy A06	Samsung Galaxy M05	Samsung Galaxy F05
Samsung Galaxy M55s	Samsung Galaxy Tab S10+	Samsung Galaxy Tab S10 Ultra
Samsung Galaxy S24 FE	Samsung Galaxy A16 5G	Samsung Galaxy A16 4G
Samsung Galaxy Z Fold SE	Samsung Galaxy M56	Samsung Galaxy F56
Samsung Galaxy S25 Edge	Samsung Galaxy M36	Samsung Galaxy Watch8
Samsung Galaxy Watch8 Classic	Samsung Galaxy Z Flip 7 FE	Samsung Galaxy Z Flip 7
Samsung Galaxy Z Fold 7	Samsung Galaxy F36	Samsung Galaxy A56
Samsung Galaxy F16	Samsung Galaxy Tab S10 FE	Samsung Galaxy Tab S10 FE+
Samsung Galaxy Tab Active5 Pro	Samsung Galaxy XCover7 Pro	Samsung Galaxy A36
Samsung Galaxy Z Fold Special	Samsung Galaxy S25	Samsung Galaxy S25+
Samsung Galaxy S25 Ultra	Samsung Galaxy F06 5G	Samsung Galaxy A06 5G
Samsung Galaxy M06	Samsung Galaxy M16	Samsung Galaxy A26
Samsung Galaxy Tab S11 Ultra	Samsung Galaxy A17 5G	Samsung Galaxy M07
Samsung Galaxy S25 FE	Samsung Galaxy A07 4G	Samsung Galaxy F07
Samsung Galaxy F17	Samsung Galaxy Tab S10 Lite	Samsung Galaxy M17
Samsung Galaxy Tab A11	Samsung Galaxy Tab S11	Samsung Galaxy A17 4G
Samsung Galaxy Tab A11 Plus	Samsung Galaxy Z TriFold	Samsung Galaxy A07 5G

How to Relock Bootloader on Any Samsung Galaxy Phones?

It’s also worth mentioning that a bootloader-unlocked device automatically voids the Google Play Protection Certification and leads to unusable services like Netflix on your handset. So, it’s always a better idea to relock the bootloader unless you’re a third-party firmware lover or need root access. Luckily, here we’ve shared with you a full-depth guide on how you can relock the bootloader on your Samsung Galaxy device. So, without further ado, let’s jump into it.

1. Things to Remember:

• After installing TWRP or enabling Root access on your Samsung Galaxy device, the Samsung KNOX security will be tripped.
  • Samsung KNOX security can’t be reverted once tripped even after installing the stock firmware via the Odin tool. So, keep that in mind.
  • Tripped KNOX security indicates you won’t be able to use Samsung Pay, Secure Folder, and more.

Disclaimer:

The process of relocking the bootloader may go haywire if you don’t follow the steps properly or skip any method. We at GetDroidTips won’t be held responsible for any kind of damage/error that might occur to your handset while/after following the guide. Make sure to take a full backup and do this at your own call.

2. Requirements

• Relocking the bootloader will delete all the device data like internal storage files, documents, media, etc. So, make sure to take a complete backup of all your data before going into the bootloader relocking method below.
• You will require a PC or Laptop and a USB cable for this.
• Keep your device charged sufficiently before doing anything.
• Download the ADB & Fastboot Platform Tools on your PC for Windows | Mac.
• You should Install the Samsung USB Drivers on the PC properly.
• Make sure to Turn On the OEM Unlocking and USB Debugging on your Samsung Galaxy handset. To do so:
  • Go to the Settings menu of your Android device.
  • Then scroll down and go to About.
  • Now you need to head to Software Information>> More.
  • Here tap on the Build Number around 7 times until you see the message ‘You are now a developer’.
  • Go back to the previous settings menu > Tap on Developer Options.

• • Turn On the OEM Unlock toggle. If prompted, tap on Enable. [Important]

• • Similarly, Turn On the USB Debugging toggle.
• You should also download the currently running stock firmware version for your Samsung Galaxy model from this guide link. After downloading the firmware (zip) file, extract it on the computer.
• Download the latest ODIN Tool version here.

3. Steps to Relock Bootloader on Samsung Devices

• First of all, you’ll need to boot your Samsung Galaxy device into the Download Mode. To do this:
  • Power Off your Samsung Galaxy device completely.
  • Then press and hold the Bixby + Volume Down buttons together for a few seconds.
  • Don’t release the buttons and immediately connect your Galaxy phone to the PC via a USB cable.
  • A blue ‘Warning’ screen will appear on your Galaxy device > Now, long-press the Volume Up button to enter the ‘Device Unlock Mode’.
• Your device will now prompt you to confirm if you want to relock the bootloader or not.
  • As we’re interested in relocking the bootloader, press the Volume Up button to confirm the bootloader relock on your Samsung Galaxy device.
• Once done, your handset will reboot automatically, and the bootloader will be locked again.
• You’re good to go. Enjoy!

4. Restore or Reinstall the Stock Firmware on Samsung Galaxy

If you’ve installed the third-party firmware then even after relocking the bootloader, your handset will be still in the Download Mode consisting ‘VBMeta: Error Verifying vbmeta image’ message at the top. Therefore, you’ll need to flash the Stock ROM on your Samsung Galaxy handset manually by following the full-depth guide here.

That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.