Do you think it is enough or do I have to dump with my CH314 ?
(IPQ40xx) # setenv serverip 192.168.0.20
(IPQ40xx) # sf probe 0
SF: Detected GD25Q256 with page size 4 KiB, total 32 MiB
sf read 0x84000000 0x0 0x2000000
tftpput 0x84000000 0x2000000 decoM5_v2_dump.bin
binwalk decoM5_v2_dump.bin
$ binwalk decoM5_v2_dump.bin
DECIMAL HEXADECIMAL DESCRIPTION
--------------------------------------------------------------------------------
0 0x0 ELF, 32-bit LSB executable, ARM, version 1 (SYSV)
19432 0x4BE8 Ubiquiti partition header, header size: 56 bytes, name: "PARTNUM_SHFT", base address: 0x08A16B46, data size: -1912995176 bytes
81400 0x13DF8 Unix path: /dev/icbcfg/boot
262460 0x4013C YAFFS filesystem, little endian
263424 0x40500 ATAGs msm parition table (msmptbl), version: 4, number of paritions: 16
393216 0x60000 ELF, 32-bit LSB executable, ARM, version 1 (SYSV)
618103 0x96E77 XML document, version: "1.0"
983040 0xF0000 ELF, 32-bit LSB shared object, ARM, version 1 (SYSV)
1336145 0x146351 Certificate in DER format (x509 v3), header length: 4, sequence length: 1284
1336261 0x1463C5 Certificate in DER format (x509 v3), header length: 4, sequence length: 1288
1402320 0x1565D0 CRC32 polynomial table, little endian
1404008 0x156C68 CRC32 polynomial table, little endian
2359296 0x240000 Flattened device tree, size: 3046892 bytes, version: 17
2359524 0x2400E4 gzip compressed data, maximum compression, has original file name: "Image", from Unix, last modified: 2018-08-16 10:12:23
4957968 0x4BA710 Flattened device tree, size: 36972 bytes, version: 17
4995220 0x4C3894 Flattened device tree, size: 37328 bytes, version: 17
5032828 0x4CCB7C Flattened device tree, size: 37305 bytes, version: 17
5070416 0x4D5E50 Flattened device tree, size: 41920 bytes, version: 17
5112616 0x4E0328 Flattened device tree, size: 34223 bytes, version: 17
5147120 0x4E89F0 Flattened device tree, size: 34077 bytes, version: 17
5181480 0x4F1028 Flattened device tree, size: 34223 bytes, version: 17
5215984 0x4F96F0 Flattened device tree, size: 37360 bytes, version: 17
5253624 0x5029F8 Flattened device tree, size: 40954 bytes, version: 17
5294860 0x50CB0C Flattened device tree, size: 37022 bytes, version: 17
5332164 0x515CC4 Flattened device tree, size: 34376 bytes, version: 17
5366820 0x51E424 Flattened device tree, size: 37425 bytes, version: 17
5505024 0x540000 Squashfs filesystem, little endian, version 4.0, compression:xz, size: 7860320 bytes, 1529 inodes, blocksize: 262144 bytes, created: 2018-08-16 10:13:22
13697024 0xD10000 ELF, 32-bit LSB shared object, ARM, version 1 (SYSV)
14050745 0xD665B9 Certificate in DER format (x509 v3), header length: 4, sequence length: 1284
14050861 0xD6662D Certificate in DER format (x509 v3), header length: 4, sequence length: 1288
14117648 0xD76B10 CRC32 polynomial table, little endian
14119336 0xD771A8 CRC32 polynomial table, little endian
14221312 0xD90000 Flattened device tree, size: 3048968 bytes, version: 17
14221540 0xD900E4 gzip compressed data, maximum compression, has original file name: "Image", from Unix, last modified: 2020-10-22 10:32:25
16821124 0x100AB84 Flattened device tree, size: 37462 bytes, version: 17
16858868 0x1013EF4 Flattened device tree, size: 42054 bytes, version: 17
16901204 0x101E454 Flattened device tree, size: 37106 bytes, version: 17
16938592 0x1027660 Flattened device tree, size: 37360 bytes, version: 17
16976232 0x1030968 Flattened device tree, size: 37439 bytes, version: 17
17013952 0x1039CC0 Flattened device tree, size: 34223 bytes, version: 17
17048456 0x1042388 Flattened device tree, size: 34077 bytes, version: 17
17082816 0x104A9C0 Flattened device tree, size: 41088 bytes, version: 17
17124184 0x1054B58 Flattened device tree, size: 34223 bytes, version: 17
17158688 0x105D220 Flattened device tree, size: 37156 bytes, version: 17
17196124 0x106645C Flattened device tree, size: 37559 bytes, version: 17
17233964 0x106F82C Flattened device tree, size: 34376 bytes, version: 17
18415616 0x1190000 Squashfs filesystem, little endian, version 4.0, compression:xz, size: 11977376 bytes, 2007 inodes, blocksize: 524288 bytes, created: 2021-01-08 21:29:58