i want bypass mdm on Macbook Air A2337 emc 3598
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Re: macbook air A2337 MDM
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Ok... thanks, will surely check this... Hope it resolves all my MacBook Locks problems.Comment
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Macbook air a2337 820-02016 nand chip was short (hynix 256 gb) with liquid damaged but i dont have same board
i have a2289 scrap board (820-01987) chip (tsb 4226) can i replace hynix chip with tsb 4226 or any optionComment
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Hi,
we're getting quite a lot wiped A1932 & A2337 from scrap with MDM (Remote management), we'd like to find permanent solution to remove it without CPU swap as it gets not economical, I found iremove.tools website which offer permanent solution, however if they got shut-down i believe laptops would also get locked? Does anyone have any knowledge about this service & about any other possible method? -
Hi guys,
If I unplugged the battery and the charger, then plug the battery then the charger, it charges without problem.
Then if I unplug the charger and plug it back, it won't charge anymore.
In the first case, main voltage is regulated at ~12.5V and charges the battery.
After unplugging the charger, main voltage drops to battery voltage at ~11.5V.
After replugging the charger, main voltage stays at ~11.5V and won't go up to ~12.5V again.
I found C520A (2.2ยต after current sensor from USB-C source) completely burnt and removed it properly. I cleaned... -
Hi everyone,
I'm working on a MacBook Air 2020 (A2337, board 820-02016) and running into a strange USB-C issue. I've gone through quite a bit of testing and part replacement, but I'm stuck โ hoping someone here can shed some light.
๐ Original Issue
The machine initially wouldn't negotiate 20V over USB-C โ stuck at 5V.
Diagnosis showed PP1V5_UPC0_LDO_CORE shorted to ground.
I replaced U3100 (UF400) using a donor board (A2179), and the machine powers on fine now.
โ ๏ธ New Problem: One USB-C Port Only Works in One Orientation... -
1. RESET MACOS WITH IPSW
a. Power off MacBook, press and hold the power button to enter Recovery
b. Open Disk Utility, remove Macintosh HD
c. Reboot, connect to the network to Activate Mac.
d. Plug the C cord in the first port of the MacBook into the other Mac, then power off the MacBook
d. Hold down the Control (L) + Option (L) + Shift (R) + Power key combination for 10 seconds
e. Release the other keys, but keep holding the Power key for another 10 seconds
f. MacBook is returned to DFU, open Apple Configurator 2 on the other Mac, right-click... -
Hello everyone,
About me, my goal and the equipment I (don't) have:
I am brand new to this forum, and I am eager to learn about repairing laptops. I have an engineer background although I haven't done electronics for a while. I have watched several Youtube videos in the last two months, trying to understand how to diagnose a faulty motherboard. I have a USB-C Amp meter and a classic multi meter. No DC Power Supply to inject voltage, no soldering iron to replace components.
About my issue and my goal:
A friend of mine has a MacBook Air M1 A2337 that does not...
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