Outdated or corrupted Apple Mobile Device USB drivers prevent 3uTools from reading sensitive data.
At its core, iOS activation is a handshake between your device (the hardware), Apple’s activation servers (the software verification), and your computer (the bridge). When you connect an unactivated device to 3uTools, the software attempts to query the device for its unique identifiers (like the ECID, IMEI, and Serial Number) to facilitate the activation process or verify the firmware being flashed.
Connect directly to the computer’s motherboard ports (the ones on the back for desktops) rather than a USB hub. 2. Repair Drivers via 3uTools 3utools Failed To Read Information Of Activation
: Ensure a SIM card is in the tray, even if it doesn't have an active plan. Check Internet
| Category | Specific Cause | Likelihood | |----------|----------------|-------------| | | Unreliable USB cable/port, expired pairing trust, or iOS lockdown service disruption | High | | 3uTools client | Corrupted installation cache, outdated version, or antivirus/firewall blocking the software | Medium | | iOS device state | Device in Recovery/DFU mode (without activation data), incomplete setup, or disabled state | Medium | | Apple server communication | 3uTools fails to query Apple’s activation servers (gs.apple.com) due to network issues or server-side rate limiting | Low | Outdated or corrupted Apple Mobile Device USB drivers
To fix the problem, we first need to understand what the "Failed to read information of activation" error actually signifies.
Many iPhones require a physical SIM card to complete the initial activation handshake, even if the phone is otherwise functional. Connect directly to the computer’s motherboard ports (the
3UT-ACT-20240415-01 Date: April 15, 2026 Software: 3uTools (Version 2.62 or later) Affected Module: Activation & Device Information Service
This requires a separate, functional device or a saved activation backup.
If the software is corrupted, a standard restore may not work. You should perform a "Deep Flash" using DFU mode.