sysupgrade fails with custom openwrt image

[Oziesin]

Hi all,
I have board that have on onion omega2s+ module. I wanted to change custom openwrt image instead of default firmware.
I coppied .bin file to module and i run command below.

$ sysupgrade -n openwrt-ramips-mt76x8-onion_omega2p-squashfs-sy
supgrade.bin

i faced

and i looked at proc/cpuinfo for being sure

system type		: MediaTek MT7688 ver:1 eco:2
machine			: Onion Omega2 LTE
processor		: 0
cpu model		: MIPS 24KEc V5.5
BogoMIPS		: 385.84
wait instruction	: yes
microsecond timers	: yes
tlb_entries		: 32
extra interrupt vector	: yes
hardware watchpoint	: yes, count: 4, address/irw mask: [0x0ffc, 0x0ffc, 0x0ffb, 0x0ffb]
isa			: mips1 mips2 mips32r1 mips32r2
ASEs implemented	: mips16 dsp
shadow register sets	: 1
kscratch registers	: 0
package			: 0
core			: 0
VCED exceptions		: not available
VCEI exceptions		: not available

i do not understand, module tag is omega2s+.

Thanks for any help.

[Lazar Demin]

@Oziesin it looks like your device is running the Omega2 LTE firmware. In this firmware, the device is omega2lte.
However, it's compatible with all omega2p firmware.

Add a -f argument to your sysupgrade command and it should work fine.