This instantly disables Activation Lock and allows you to set up the device normally.
Apple strongly recommends using official recovery methods. Many Apple Support advisors note that a locked iPhone 4S is "a very realistic but inert theater prop" if the original credentials cannot be recovered.
Delete the existing DNS numbers and enter one of the following IP addresses based on your location: 104.154.51.7 Europe: 104.155.28.90 Asia: 104.155.220.58 Rest of the World: 78.109.17.60
Unlike the iPhone 6 or newer models, the has a unique vulnerability: the A5 chip’s SEP (Secure Enclave) does not enforce hardware-bound activation tickets. This means any valid ticket—even one cloned from another device—will work. Newer iPhones use cryptographically signed activation records tied to the UID key. The 4s does not. iphone 4s activation lock bypass ios 935 extra quality
The most significant development in 2026 for the A5 chip is the A5_Bypass_OSS project. Designed specifically for the iPhone 4S, iPad 2, and iPod touch 5th generation, this open-source tool bypasses Apple’s activation servers entirely by injecting generic or unsigned activation certificates directly into the device.
Based on recent testing in 2026, the DNS bypass successfully exploits the activation flow on iOS versions 8 through 10, with a success rate of roughly 30%.
Apple can remove Activation Lock if you provide an original sales receipt showing the device's serial number or IMEI. Second-hand receipts from eBay, Craigslist, or private sellers are generally not accepted. Family members of deceased users may request account access with proper legal documentation. This instantly disables Activation Lock and allows you
This powerful, open-source tool directly leverages the Checkm8 exploit. It provides a reliable solution to activate iPhones, iPads, and iPods locked by iCloud.
: Turn the device off and on to reach the initial "Hello" setup screen.
: If you have the original proof of purchase, you can start an Activation Lock support request directly with Apple. Delete the existing DNS numbers and enter one
:Tools like iRemove Tools claim to offer a free "tethered" bypass for iPhone 4s on Windows, though this typically leaves the device in a state where it cannot make calls.
: Follow the prompts to "Delete Setup.app," which effectively skips the iCloud activation screen entirely. 2. Software-Based Bypass Tools
The iPhone 4S, released in 2011, represents a golden era of smartphone design. With its iconic glass-and-metal body and crisp 3.5-inch Retina display, it remains a beloved collector's item and nostalgia machine for many tech enthusiasts. However, one problem continues to plague second-hand iPhone 4S devices: .