accidentaly removed efi boot partition

Hi Loner and thanks for replying.

I can boot macOS but the one on a different partition, what I’m trying to solve is having mounted back the following partition

     409640  157271616      2  GPT part - FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF

which is very important to me.

looking forward to hearing from you

Marco

sure, this is the output:

sudo dd if=/dev/rdisk0s2 count=5 2>/dev/null | hexdump -C

Password:

00000000  f0 62 ea b0 ff df 40 c0  01 00 00 00 00 00 00 00  |.b....@.........|

00000010  25 0a 29 01 00 00 00 00  01 00 00 80 00 00 00 00  |%.).............|

00000020  4e 58 53 42 00 10 00 00  c8 f8 2b 01 00 00 00 00  |NXSB......+.....|

00000030  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

00000040  02 00 00 00 00 00 00 00  9c c2 54 2c 0d 3d 4b e1  |..........T,.=K.|

00000050  97 17 48 62 48 6a d7 58  8e 93 7b 00 00 00 00 00  |..HbHj.X..{.....|

00000060  26 0a 29 01 00 00 00 00  18 01 00 00 18 6c 00 00  |&.)..........l..|

00000070  05 8c 00 00 00 00 00 00  d6 18 00 00 00 00 00 00  |................|

00000080  18 00 00 00 68 4d 00 00  16 00 00 00 02 00 00 00  |....hM..........|

00000090  4a 4d 00 00 1e 00 00 00  cf d1 4d 00 00 00 00 00  |JM........M.....|

000000a0  3b b0 04 00 00 00 00 00  01 04 00 00 00 00 00 00  |;...............|

000000b0  00 00 00 00 64 00 00 00  7a 71 45 00 00 00 00 00  |....d...zqE.....|

000000c0  f9 31 04 00 00 00 00 00  fb 31 04 00 00 00 00 00  |.1.......1......|

000000d0  79 da 04 00 00 00 00 00  b1 71 45 00 00 00 00 00  |y........qE.....|

000000e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

*

000003d0  00 00 00 00 00 00 00 00  79 68 04 2e 00 00 00 00  |........yh......|

000003e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

*

000004f0  00 00 00 00 00 00 00 00  55 02 bc 00 00 00 00 00  |........U.......|

00000500  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

00000510  d7 f9 f8 00 00 00 00 00  01 00 00 00 00 00 00 00  |................|

00000520  01 00 04 00 08 00 00 00  00 00 00 00 00 00 00 00  |................|

00000530  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

*

00000560  00 00 00 00 00 00 00 00  80 74 19 cf 50 04 05 00  |.........t..P...|

00000570  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

*

00000a00

I have also installed GPT

thank you so much! it worked and I'm writing you from my old partition..

I had to press the option button while rebooting to see the partitions but at least now I have my data back!

can you please suggest me a way to bring back the SSD to only one partition?

Many thanks Loner, really appreciate your help!

MArco

here is the diskutil list output:

/dev/disk0 (internal, physical):

  #:            TYPE NAME          SIZE    IDENTIFIER

  0:   GUID_partition_scheme            *121.3 GB  disk0

  1:            EFI EFI           209.7 MB  disk0s1

  2:         Apple_APFS Container disk1     80.5 GB  disk0s2

  3:         Apple_HFS maverik         3.9 GB   disk0s3

  4:         Apple_APFS Container disk2     36.6 GB  disk0s4

/dev/disk1 (synthesized):

  #:            TYPE NAME          SIZE    IDENTIFIER

  0:   APFS Container Scheme -           +80.5 GB  disk1

                 Physical Store disk0s2

  1:        APFS Volume Macintosh HD - Data   64.9 GB  disk1s1

  2:        APFS Volume Preboot         83.4 MB  disk1s2

  3:        APFS Volume Recovery        528.5 MB  disk1s3

  4:        APFS Volume VM           2.2 GB   disk1s4

  5:        APFS Volume Macintosh HD      11.0 GB  disk1s5

/dev/disk2 (synthesized):

  #:            TYPE NAME          SIZE    IDENTIFIER

  0:   APFS Container Scheme -           +36.6 GB  disk2

                 Physical Store disk0s4

  1:        APFS Volume disk0s4 - Data     11.2 GB  disk2s1

  2:        APFS Volume Preboot         81.3 MB  disk2s2

  3:        APFS Volume Recovery        528.8 MB  disk2s3

  4:        APFS Volume VM           2.1 GB   disk2s4

  5:        APFS Volume disk0s4         11.2 GB  disk2s5

sure:

Device Identifier:     disk1s5

  Device Node:        /dev/disk1s5

  Whole:           No

  Part of Whole:       disk1

  Volume Name:        Macintosh HD

  Mounted:          Yes

  Mount Point:        /

  Partition Type:      41504653-0000-11AA-AA11-00306543ECAC

  File System Personality:  APFS

  Type (Bundle):       apfs

  Name (User Visible):    APFS

  Owners:          Enabled

  OS Can Be Installed:    No

  Booter Disk:        disk1s2

  Recovery Disk:       disk1s3

  Media Type:        Generic

  Protocol:         PCI

  SMART Status:       Verified

  Volume UUID:        EAB9A645-6D87-4246-9EEA-6A0CCF4BF2CF

  Disk / Partition UUID:   EAB9A645-6D87-4246-9EEA-6A0CCF4BF2CF

  Disk Size:         80.5 GB (80523067392 Bytes) (exactly 157271616 512-Byte-Units)

  Device Block Size:     4096 Bytes

  Container Total Space:   80.5 GB (80523067392 Bytes) (exactly 157271616 512-Byte-Units)

  Container Free Space:   1.7 GB (1745248256 Bytes) (exactly 3408688 512-Byte-Units)

  Allocation Block Size:   4096 Bytes

  Read-Only Media:      No

  Read-Only Volume:     Yes

  Device Location:      Internal

  Removable Media:      Fixed

  Solid State:        Yes

  Hardware AES Support:   No

  This disk is an APFS Volume. APFS Information:

  APFS Container:      disk1

  APFS Physical Store:    disk0s2

  Fusion Drive:       No

  APFS Volume Group:     AA0157FE-907D-40D9-8479-B18E3587FA91

  FileVault:         No

  Locked:          No

ok just before I'm gonna run the last command that you sent me -> diskutil apfs deleteContainer disk2

I'm gonna double check with you that the -> +80.5 GB  disk1 partition is where I have all. my data and I don't have to delete it,

instead the -> +36.6 GB  disk2 can be deleted.

so this is what I am going to execute:

diskutil apfs deleteContainer disk2