The CheckM8 development team has introduced a new bypass solution for iCloud Activation Locked iPhones and iPads powered by A12 and A13 chips. The solution operates in No Signal mode (Wi-Fi only) and utilizes a Raspberry Pi Pico module, the USBLiter8 BootROM exploit, and Hello Screen Bypass Software developed by the CheckM8 team.
Supported devices running iOS 18.x up to iOS 26.x are eligible, provided the device is unactivated and currently displaying the initial Hello lock screen.
Attention The CheckM8 software alone is not enough to complete this service. You will also need a compatible Raspberry Pi Pico (RP2350) module, the appropriate USB data cables, and physical access to the device.
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Hardware-Level SecureROM Exploit
USBLiter8 is a hardware-level SecureROM (BootROM) exploit designed specifically for Apple devices powered by A12 and A13 Bionic chipsets. By leveraging low-level USB communication via an external Raspberry Pi Pico (RP2350-based) microcontroller, it delivers precise timing pulses to trigger the hardware vulnerability before iOS and Apple's cryptographically signed secure boot chain initialize.
This execution places the hardware safely into a modified "Pwned DFU" state. Once this low-level bridge is active, CheckM8 software communicates directly with the A12/A13 device to perform authorized service operations and complete the Hello Screen bypass in No Signal (Wi-Fi only) mode.
1. Device Status (Hello Lock Screen)
The target iPhone or iPad must be unactivated and currently displaying the initial Hello activation screen.
2. Supported Firmware
Compatible with supported firmware releases spanning iOS 18.x through iOS 26.x (and corresponding iPadOS builds).
3. External Hardware Setup
Requires a flashed Raspberry Pi Pico module (RP2350-based, such as Waveshare RP2350 USB-A), reliable USB data cables, and direct physical connection.
4. Pwned DFU Execution & CheckM8 Bypass
The device is placed into DFU mode for payload delivery via the RP2350 board. Once pwned, CheckM8 software finalizes the bypass to restore full Wi-Fi, App Store, and application functionality.
Legal Notice: This software and service are intended strictly for legal device recovery, diagnostics, and testing on devices that you own or are legally authorized to service. B2B tier pricing, automated API integration, and bulk processing are available.
Service Pricing
Designed for effortless use, the CheckM8 tool bypasses the Hello activation screen on locked iPhone and iPad models, instantly restoring device access.
$35
$30
PLEASE NOTE:
This guide is intended for supported A12-A13 iPhone and iPad models. Use CheckM8 only with a device you own or are legally authorized to service.
- A supported A12-A13 iPhone or iPad
- The latest CheckM8 application
- A compatible RP2350 module
USB Type-C and device data cables
- A stable internet connection
Step 1.
Connect the Locked Device
Connect the Hello Screen locked iPhone or iPad to your computer and launch the CheckM8 application.
Step 2.
Follow the DFU Mode Instructions
CheckM8 will identify the device and display instructions for placing it into DFU mode. Follow every on-screen prompt.
Step 3.
Connect the RP2350 Module
Connect the compatible RP2350 module to your computer using a USB Type-C data cable.
Step 4.
Open the RP2350 Flashing Section
Follow the instructions displayed in CheckM8 to open the RP2350 flashing section.
Step 5.
Select the Correct RP2350 Model
Select the exact RP2350 module connected to your computer. Waveshare RP2350 USB-A is recommended.
Step 6.
Check the Module Type
Confirm that the model selected in CheckM8 matches the physical RP2350 board connected to the computer.
Step 7.
Flash the RP2350 Module
Keep the RP2350 module connected, verify the selected model and click the Flash button in CheckM8.
Step 8.
Wait for Flashing to Finish
Wait until CheckM8 confirms that flashing has completed. Do not disconnect the RP2350 board during this stage.
Step 9.
Disconnect the USB Type-C Cable
Disconnect the USB Type-C cable from both the computer and the prepared RP2350 module.
Step 10.
Connect the Device to the RP2350 Module
Connect the device cable to the USB Type-A port on the prepared RP2350 module.
Step 11.
Start the RP2350 Process
Follow the CheckM8 connection diagram. When the device is connected correctly, the RP2350 stage should begin.
Step 12.
Check the RP2350 Status Light
Use the board status light to follow the current stage:
Step 13.
Reconnect the Device to the Computer
After a successful result, disconnect the device from the RP2350 module and reconnect it directly to the computer.
Step 14.
Continue in CheckM8 Software
CheckM8 will recognize the device and prompt you to start the available service or complete the order.
Step 15.
Start the Hello Bypass Process
Click Start and keep the device connected until CheckM8 confirms that the first part has been completed.
Step 16.
Complete the Procedure
After the second process finishes, wait for CheckM8 to display the final completion message before disconnecting the device.
Process completed successfully:
You can now proceed through the initial setup assistant, sign in with your own Apple Account, and configure your personal settings. Once on the home screen, feel free to test all available features—connect to Wi-Fi, install apps from the App Store, browse the web, and enjoy your fully accessible device.
One compatible RP2350 module is required to complete the CheckM8 process. We recommend the Waveshare RP2350 USB-A because its built-in USB-A host port allows you to connect a supported iPhone or iPad without soldering a USB cable directly to the board.
Waveshare RP2350 Zero, Pimoroni Tiny 2350 and Raspberry Pi Pico 2 may require additional wiring or soldering before use.
The easiest and recommended option. It includes USB-C for connecting the module to your computer and a built-in USB-A host port for connecting a supported iPhone or iPad.
A compact RP2350 development board with a USB-C connector. It does not include a USB-A host port, so additional cable preparation and board-specific wiring may be required.
A postage-stamp-sized RP2350 development board with USB-C. It is best suited to experienced users because a compatible cable must be prepared using board-specific wiring.
The official RP2350 development board from Raspberry Pi. It is supported but does not include a USB-A host port, so additional wiring and soldering are required.
CheckM8 Reviews
Ishan Kachroo (IN)
Verified Client
There can be many reasons for a iphone user to forget his/her icloud credentials. But then your services make sure that such person can still enjoy all the benefits of an expensive iphone. keep it up and stay blessed.
Scott Gann (US)
Verified Client by TrustPilot
Very Easy to pay and get INSTANT results. Like instantly. I will use them again!
Justin Dupuis (CA)
Verified Client by TrustPilot
Working great. worked right away with checkra1n. iMessage, facetime and even find my device worked perfectly. All icloud services working just like if it wasn't activation locked.
Jenny Therese (US)
Verified Client by TrustPilot
Unreal! I've tried so many so-called "unlock" services when I unknowingly bought an icloud locked ipad and have been disappointed every single time....until now! It works! It works fast. Customer service is prompt and the final result is exactly what they promise! Definitely recommend Checkm8. They will have my business again.
Dimitris (GR)
Verified Client by TrustPilot
I can't believe it's working! Honestly I was a bit skeptical at first but I decided to pull the trigger for my locked device, I was a bit worried that it might not work and end up wasting my money but the application said my phone was supported and sure enough.. It worked! I'm so happy to have access to my device again and it was a very easy and painless process. Thank you very much Checkm8 team, you are fantastic!
Hermes Trigmegistos (GB)
Verified Client by TrustPilot
Thank you very much your services I really glad that I use my computer! Fast and clean help! Everyone who's need help I recommend them!
Jackson Davies (GB)
Verified Client by TrustPilot
Fixed my issue of unlocking the iPad instantly after payment, I was skeptical at first but after an hour of research I can recommend to others, a 10/10 service.
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