Many iPhones require a physical SIM card to complete the initial activation handshake, even if the phone is otherwise functional.
The error means:
Visit the official 3uTools forum or the r/jailbreak subreddit, mentioning the exact error code (e.g., “Error -9” or “Read timeout”) for more targeted advice.
This is a hardware issue where the cellular chip (baseband) on the logic board dies, making it impossible for the phone to generate the required activation info. Step-by-Step Solutions 1. Basic Hardware and Connection Checks 3utools Failed To Read Information Of Activation
Use an original Apple MFi-certified cable. Third-party cables often fail to transfer the data needed for activation.
To fix the problem, we first need to understand what the "Failed to read information of activation" error actually signifies.
: Your PC must have a stable connection to communicate with Apple's activation servers. 2. Perform a DFU Restore Many iPhones require a physical SIM card to
Technical Analysis Team Next review date: Upon next 3uTools major release
Getting the error "3uTools Failed to Read Information of Activation" is a common roadblock when trying to set up or restore an iPhone. This specific error means the software can't communicate with the device's security or cellular components to verify its identity with Apple's servers.
: Faulty USB cables or unstable internet connections on the PC prevent 3uTools from communicating with Apple’s servers. Missing SIM Card Step-by-Step Solutions 1
In short: 3uTools knows something is plugged in, but the device refuses to hand over its activation paperwork.
Remove your SIM card and put it back in. If you don't have one, borrow a working SIM just for the activation process.