Ensure the console is completely disconnected from the internet.
Download the exfathax.img file from the official GitHub repository of developers like SpecterDev or Al-Azif. Use a tool like Win32DiskImager or BalenaEtcher to flash this image file directly onto your second USB drive. (Windows will tell you the drive is unreadable after flashing; this is normal).
: Download the official 9.00 update file (approx. 467 MB). It must be named PS4UPDATE.PUP exactly.
Check that the folders are named and UPDATE in strict uppercase. Ensure the file itself is named exactly PS4UPDATE.PUP .
October 2023 (Updated for current recovery methods) Target Keyword: ps4 900 firmware download install Reading Time: 8 minutes
FAT32 has a single file size limit of 4GB. Since 1.1GB is well under 4GB, you are safe. If Sony ever releases firmware over 4GB, you will need exFAT.
Always verify the MD5 checksum using a tool like WinMD5 to ensure the file is authentic and not corrupted. Step 2: Preparing the USB Drive
If you are stuck with error codes like SU-41350-3 or your PS4 is stuck in a Safe Mode loop, a manual update via USB is often the fix. Here is the direct breakdown for the :
Insert your prepared USB drive into one of the front USB ports of the PS4, click OK , and follow the on-screen prompts.