help meeeeeeeeeeeeeee 5800

hi all:
i flashed my 5800 in v RM-356_52.0.101
but no arbic in it
and crapper not downgrade it
in some box
mxkey&mtbox&turboo&ufs&cyclone
but no artefact to downgrade
can some chum give me arbic of RM-356_52.0.101
thanks for all.

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