Sometimes, a simple reboot can resolve the issue. Press and hold the sleep/wake button until the "Slide to Power Off" slider appears. Slide the slider to the right to turn off your iPhone. Wait for a few seconds and then press the sleep/wake button again until the Apple logo appears.
The identifier iPhone9,3 corresponds to the iPhone 7 (Global/GSM version). Unlike later models (iPhone X and newer) which have more complex boot processes, the iPhone 7 utilizes a specific boot chain that relies on .dfu and .im4p files. loader for iphone9 3d101ap not found updated
In the context of tools like irecovery or futurerestore, a "loader" usually refers to a Signature Blob (SHSH) or a specific iBoot component used to boot the device into a mode where it accepts new firmware. If the tool says it is "not found," it means the necessary file to bridge the gap between the device and the computer is missing from the working directory. Sometimes, a simple reboot can resolve the issue