How to remove MDM Remote Management lock

U-BOS2 - Feature:

1. U-BOS2 is an essential tool for repairs of iMac, Mac Mini, MacBook Pro, and MacBook Air.

2. It features a convenient LED color screen for easy display operations.

3. It supports Type-C and Micro USB cables for power supply and can also be powered by regular AAA batteries.

4. U-BOS2 includes a main unit, four writing sockets, one universal board, and one USB flash drive for adding serial number.

5. The U-BOS2 main unit contains SPI ROM data for over 100 models of Mac series

U-BOS2 - Usefulness

1. It can resolve issues such as MacBook motherboard failure not powering on, no display, freezing, and blue screen caused by BIOS data problems.

2. It can be used to remove EFI locks, MDM lock, and PIN code locks on 2008-2017 MacBooks.

3. It can write data of T2 or M1 chip ROMs for 2018-2020 models (to determine if the no power issue is caused by ROM data).

4. It can modify the internal ME (Management Engine) data in BIOS for MacBook models from 2013-2017. If the CPU, PCH, or BIOS chip has been replaced and the ME data is not updated, the startup will be slow.

5. It can disable the discrete graphics card function "EG To IG" on 15-inch MacBook Pro, resolving issues like no display, pixelation, freezing, and power failures caused by graphics card, video memory, or PCB layer problems.

Applicable Models:

1. Suitable for 2018-2020 machines with M1 or T2 ROM chips, including iMac, Mac Mini, MacBook Pro and MacBook Air

2. Suitable for 2015-2017 machines with small QFN “SPI ROM” chip, including iMac, Mac Mini, MacBook Pro and MacBook Air

3. Suitable for 2011-2014 machines with large QFN “SPI ROM” chip, including iMac, Mac Mini, MacBook Pro and MacBook Air

4. Suitable for 2008-2010 machines with 8-pin “SPI ROM” chip, including iMac, Mac Mini, MacBook Pro and MacBook Air

5. Suitable for 2008-2017 iMac, Mac Mini, MacBook, MacBook Pro and MacBook Air without serial number after modified “SPI ROM”.

Package Included

1x U-BOS2 Set

How to know whether there are mobile phone parts or mobile phone accessories you want in the store:

1: Find customer service

2: Use documents/text/pictures to tell customer service what products you need.

3: You need to wait for the customer service to sort out the price (if you need a lot of parts, it will take a long time for the customer service to sort out the price list. Please wait patiently. If you need this price list urgently, you can tell the customer service that you need it before that time, and the customer service personnel will speed up to make the form for you.)

4: After confirming the logistics matters with the customer service, the customer service will link the order for you. After you pay, we will handle all of them.If your payment method is different from that commonly used, please let us know and we will solve this problem together.

Live Online MacBook Repair Training Course 2024！！！

If you are interested in it, please feel free contact me!

Whatsapp: +86 18664962867
Wechat: J18664962867

(Basic Class) 200USD

Course schedule: Monday to Friday, 60 minutes of lectures every day
Class time: June 3, 2024 - June 7, 2024, Beijing time, 11:00 AM-12:00 PM

1. 2010-2020 MacBook models and motherboard configuration introduction
2. Introduce the MacBook motherboard diagram and architecture
3. Use of circuit diagrams and explanation of special names
4. Explain the control circuit of charging chip, power chip, SMC, T1, T2 chip
5. Explanation of common faults and maintenance methods of MacBook

(Intermediate Class) 300USD

Course schedule: Monday to Friday, 60 minutes of lectures every day
Class time: June 11, 2024 - June 15, 2024, Beijing time, 11:00 AM-12:00 PM

1. Explain the various power supply methods of MacBook
2. Explanation of working conditions of TPS51980, ISL6259, ISL9239 chips
3. SMC, PCH standby working conditions
4.MacBook Air A1466 standby timing analysis
5. MacBook Air A1466 power on timing analysis

(T1 and T2 Chip Courses) 500USD

Course schedule: Monday to Friday, 60 minutes of lectures every day
Class time: June 11, 2024 - June 15, 2024, June 17, 2024 - June 21, 2024, Beijing time, 20:00 PM-21:00 PM

1. MacBook Pro A1706 USBC 5V-20V boost circuit analysis
2. Repair method for MacBook 5V-20V with T1 chip not boosting
3. MacBook Pro A1989 T2 chip 5V-20V boost circuit explanation
4. 2018-2020 MacBook standby circuit with T2 chip explained
5. 2018-2020 Working conditions of NAND and PCH for T2 models
6. Repair method for MacBook 5V-20V with T2 chip not boosting
7. 2018-2020 T2 chip MacBook power on circuit explanation
8.T2 chip model restoring error code 4005, 4013, 4014, 9 and other code repair method
9.Macbook with T2 chip can not enter DFU mode repair method
10. MacBook common faults and experience sharing

Repair Method and Skill Courses) 700USD

(Course content includes 2010-2019 MacBook logic board repair methods)
Course schedule: Monday to Friday, 60 minutes of lectures every day
Class time: June 17, 2024 - June 25, 2024, Beijing taime, 11:00 AM-12:00 PM

1. Logic board working current to determine fault point
2. MacBook logic board won't turn on repair method
3. Repair method for MacBook logic board power down
4. Repair skills for MacBook logic board not charging
5. Repair method for MacBook logic board not displayed
6. Explain how to Data Recovery from 2010-2020 MacBook logic board
7. Share how to remove 2010-2020 Macbook EFI, PIN & Activation Lock
8. MacBook logic board upgrade RAM 8G,16G,32G,64G method
9. Share how to upgrade T2&M1 logic board NAND to 512GB, 1TB, 2TB, 4TB, 8TB
10. MacBook repair cases and maintenance experience sharing

Tips

1. When you decide to place order from us, please read clearly as below,if you have any doubt just pls contact us first,we will try our best to solve your problem.

2. If you want to place bluk orders,please contact us and ask for quotations,we will give you the best whoelsale prices .

3. After Receiving goods,Please do not install directly once you receive the goods. Connect with your phone to test firstly, if the product is normal then to install, or let professionals for help. Any damage or defect caused by wrong operation are not in the scope of quality assurance.

Shipping

1. We will send the products in 3 business days after the full payment has been confirmed. If the payment is not available, your order will be closed automatically.

2. Generally it takes around 4 to 7 working days by express(DHL/EMS/Fedex), and 15-35 working days by Aliexpress or China Air mail to ship to your countries. If the shipping time more than 35 days,please contact us in time. We will give you a good help.

3. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Please check with your country's customs office to know if you need to pay these additional costs before placing order.

4. If you want to get the products quickly,Please choose express such as DHL, FEDEX or EMS.

Return & Warranty

1. If this item is defective upon receipt, customer has up to 7 days from date of receipt for exchange of a new one. (buyer should include all items undamaged in re-saleable condition, thanks).

2. We offer free repairing service within 1 year of purchase. For the first 3 months of purchase, we will pay one way shipping cost (from China to your location). After 3 months of purchase, the buyer need to py 2 ways of shipping cost.

Feedback

1. Our service may be not best but pledge to become better and better.

2. If you have any displeasure on our product, please no hesitate to tell us. We will help you to solve it. Your satisfaction is our first priority. We appreciate your positive feedback.

3. We sincerely ask you not to leave negative feedback before contacting us. No seller can ensure no problem but value how to solve problem.

About us

Iinsumo is a top manufacturer dedicated to producing the mobile phone accessories & mobile phone parts market. We have advanced professional production equipment and testing instruments to make sure our products are Stability, High quality and Competitive. We supply a full range of mobile good quality spares and accessories for the leading phone brands to the trade customers and repair shops worldwide. We are experienced and able to offer the best products & services for every client throught the world.Do not hesitate to contact us !