Fix bootloader unlock Warning on Samsung SM-305G/FD:
Step by Step Guide to Fix bootloader unlocked warning on Samsung SM-305G/FD, Xda Member bleedboy Share a Fully tested Guide to Fix unlocked Warning on Samsung SM-305G/FD. You can Do it by Following The Below instructions.
Samsung Galaxy A30 Run on Android 9.0 OS Which is Powered by Exynos 7904 Processor. The Device Come with 3/4GB of RAM and 32/64GB of internal Storage Can be expandable via SD Card.
Steps to Remove bootloader unlocked Warning on Samsung SM-305G/FD:
- Download the correct Firmware For Your Device.
- Extract the Firmware
- Extract BL File BL_A305GUBU2ASF2_CL16214341_QB24234542_REV00_user_ low_ship.tar.md5
- Extract the Param.bin.lz4 file WITH 7-ZIP EXTRACTOR
- Open the param.bin.lz4 file WITH 7-ZIP EXTRACTOR and Extract the param.bin file
- Extract param.bin WITH 7-ZIP EXTRACTOR. Here some Images are Extracted in a folder.
- Look for the jpg image: booting_warning (contains the yellow triangle image and red bootloader unlock warning text). We will replace this image later with a black one. Attached file 870x 473 pixels:
- OPTIONAL: The svb_orange.jpg file (1080 x 2340 pixels) contains the warning message with the option that says PRESS POWER KEY TO CONTINUE. If you want you can change it to an image identical to the boot or leave it unmodified. In my case I changed to another image in which I added the google logo:
- Open param.bin With 7-zip and replace booting_warning.jpg and svb_orange.jpg (optional) by dragging the files into the window.
- Close 7-zip, Now You have Modified Param.bin.
- Convert param.bin to TAR format to flash with ODIN: Select param.bin, right click, choose 7-zip ZS, then add to the file, finally click on fileformat and change to tar. Accept (OK) and ready we will have the param.tar file ready for ODIN.
- Open ODIN 3.13.3, start your phone in download mode, load the param.tar file in the BL section and click on start.
Source: XDA