On cellular models, the restore ramdisk also initializes the baseband. If the baseband chip is physically damaged (water damage, drop damage), the ramdisk may hang when trying to query it.
iPad Air 2. Persistent error. iTunes also fails with error 9.
Software bugs are constantly being fixed. An outdated version of 3uTools may have known issues that have already been resolved.
If you are stuck in a boot loop, try entering (the "Connect to iTunes" screen) instead of DFU mode and attempt the flash again. Advanced Troubleshooting: The "Hardware Check" error unable to load restore ramdisk 3utools full
"Signature?" Elias frowned. "I’m not even forcing a signed firmware. I’m trying to mount a ramdisk."
But for the vast majority of users, following the steps above—especially and running as administrator —will have your iPhone back to life within 15 minutes.
Check the bubble for mode located at the bottom options bar instead of "Easy Flash". On cellular models, the restore ramdisk also initializes
Here is a comprehensive guide to understanding why this happens and how to bypass it. What Causes the Ramdisk Error?
He grabbed the iPhone. It was searing hot to the touch. He looked at the screen. It wasn't black anymore. In the center, pixel by pixel, a message was rendering in green text on the black background.
The notification in 3uTools typically occurs between the 15% and 21% marks of the flashing process, indicating a critical communication failure between your PC and the iOS device's temporary memory stage. When this error strikes, the program is blocked from pushing the minimal system environment (the ramdisk) necessary to wipe or write files to your device's NAND storage. Persistent error
If the basic steps above fail, your device might have a more serious issue that requires Apple's official tools or a closer look at the firmware.
Feel free to search for up-to-date tutorials for these tools if you decide to explore them.
The keyword "full" in the error often indicates your computer’s temporary storage or RAM is overwhelmed. If your C: drive (or Mac’s system drive) has less than 10GB of free space, 3uTools cannot unpack the ramdisk.
If 3uTools still fails, the deep truth emerges: 3uTools's ramdisk loader is broken for your specific iOS version + device combo.
3uTools is now in a loop: