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Engineering mode meizu

How to enter engineering mode on exynos platform? 

Meizu m3s

Just noticed that it changes the ** to ##

If you see ** it should show

NOT 

When you have *TEXT* it becomes italic and * goes away.

last edited by Scorpiony Knifet
Meizu m3s

so it should be  "*#*#4636#*#*"

Btw engineering mode is for MTK. For exynos is called service mode.

If it didn't work try these.

MTK = *#*#3646633#*#*

Samsung = *#197328640#

last edited by Scorpiony Knifet

guys, I'm so grateful for your answers, but those codes are incorrect. tried all:
"*#*#4636#*#*" - just info about device
"*#*#3646633#*#*" - non
"*#197328640#" - non
"*#197328640#*" - non
"*#*#197328640#*#*" - non

last edited by alexey.galagan

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