How to flash two demos of the 21 series to the official firmware simultaneously (officially)
Live Demo Unit
Flash and Repair IMEI Network SIM. Free flash + paid activation.
Samsung Retail mode - Password "5444" - Display mode Settings - Deactivate Retail mode - OK
About phone - Software information - Build number - Press 7 - Back - Back - Developer Option - USB debug ON.
Power off phone. Press and hold Volume "+" - Insert cable, press +
Connect USB Redirector in Download Mode,
Open 2ip.ru, send me your IP
Need to wait and reboot phone.
Close USB Redirector and open USB Redirector.
Allow USB debug - Always allow this computer - Allow
Wait Step 4, Reboot phone and check your IMEI. Finish.
Samsung Live Demo Unit 21 series firmware, how to activate the network, make the phone ring. Free firmware and paid activation.
1. Log into Samsung Retail Mode, enter the administrator password "5444", then Display Mode Settings - Deactivate Retail Mode - OK
2. Enable USB debugging: About Phone, Software Version, Build Number, press 7 times, Back, Back, Developer Options, USB Debugging ON.
3. Open 2ip.ru and send me your IP address.
4. Open USB Redirector 1.9.7 and enter the address I provide.
5. Disconnect the phone from the cable, turn it off using the power button or the pull-down button.
Connect the phone in download mode: Press and hold both volume buttons "+" and "-", insert the cable, and a notification will appear. Press "+" once.
6. Wait for the phone to reboot into normal mode. Close USB Redirector, press Cancel, and then close.
7. Reopen USB Redirector and enter the new address. Connect the phone in normal mode with debugging enabled.
Wait for Step 3 to appear, check "Always for this PC," and click "Allow."
8. Wait for Step 4. Restart the phone, check your new IMEI, and enjoy.
https://drive.google.com/file/d/1LJcX...
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