![]() You will need to find the MBP114.fd file in the macos mojave installer (first mount the dmg file then you need to find FirmwareUpdate.pkg in the installer and extract it with pkgutil -expand command, after that just find MBP114.fd or whatever version you need).ĥ) Then use UEFItool to search for text "nvme" and uncheck the Unicode flag. So I went with the same type I had already MBP111->MBP114. the only reference I found was that I need to use a firmware for macbooks 2015 or newer. I was not sure which one to use because nobody had stated clearly which one to use. But I later discovered that this version can't replace the DXE driver because it lacks the write functionality so you actually need the old UEFItool version - 0.25.1Ĥ) Next I opened to instances of the UEFItool - one with my current bootrom firmware (MBP111) and other instance with MBP114. usr/libexec/firmwarecheckers/eficheck -save -b ~/firmware.binģ) Then I downloaded the latest UEFItool from the github page (version A55 as of today). After poking around I found out that the fastest way to do it on the same laptop is by executing in terminal: I ended up downloading the full dmg installer (macOSUpd10.14.5.dmg) manually:Ģ) I needed to do a backup of my old bootrom but it wasn't clear how exactly do to this and what is the proper way of doing it. That was a mistake because it did not contain the needed firmware bits. After days of searching for information I finally felt ready to pull this off.ġ) First I downloaded the Mojave installer on the macOs. Unfortunately the information is somehow incomplete - most of the guys who did the upgrade did not write the exact steps how they did it. Finally the tools arrived and I started digging for information how exactly to do the upgrade. Meanwhile I was waiting for tools to arrive, I switched back to original macos drive so I don't have the reboot issues.Ĭhapter 3. You can find it by searching for "EFI-ROM Converting board for Apple MacBook J6100 SPI-ROM EFI ROM". It's actually crazy expensive - the cable is 55USD on ebay. Also bought the converting board/cable so I can plug the programmer in directly on the motherboard without de-soldering anything. That was like my backup plan for the 3.3v voltage issue with CH341a. I also bought XTW100 programmer since those to basically cost nothing. Did the research and finally ordered CH341a programmer from Aliexpress. The battery basically died overnight by using this solution so I wanted a proper fix. I did the pmset command to prevent the laptop from going into hibernation but this was not the result I expected. That's when it hit me that it's going to be a pain in the ass. I had to like go through 50+ pages from this topic to find out about the NVMe DXE driver issue. The random restarting issue after closing the lid. It was a success - got it running, had all my apps installed, the speed was also very good (1.3GB/sec) so I was about to close the case. ![]() I felt that finally the odds have turned in my favor and proceeded with MacOs Mojave installation. After a lot of different experiments I finally got the drive showing up both in macos installer and windows 10 installer by just resetting the NVRAM (I think it was Option-Command-P-R key combination). I didn't order the sintech adapter right away, I wanted to be sure that it's really the adapter. That was when I first found this topic and I started to suspect that something is wrong with my NVMe adapter. The windows installer showed the drive for a brief period but when I had to do the partitioning, the drive would just disappear. Then I decided to go with a windows 10 usb flash to try to install that on my new shiny EVO drive. However I tried basically everything but the EVO drive would not show up. After some trial and error I found the magic key-press which brings up the internet-recovery menu. I did not have the restore partition because I did a clean Windows 10 install on my old drive (without bootcamp). I remember having a gray screen and an icon in the center of the screen and that's it. Suspecting nothing I did install the drive in the mac but on the first launch nothing happened. At that time I didn't know about the macrumors forum and a topic almost 200 pages long about the issues I will face. I bought a Samsung 970 EVO 1TB from amazon and an adapter from eBay. This little project took me like two months to pull this off and when I finally got the desired result I just felt obliged to post my success story.įirst things first - I have MacbookPro Retina 13-inch Late 2013.
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