need help installing english on yunos 2.9.0

hello i have bought a chinese phone and there seems to be english language option on boot but does not let you choose it when phone is loaded there is no language option within the settings any help would i would be very greatful the phone says it is a
huawei
cpu - mt6595 1300mhz
ram - 2gb
firmware - 2.9.0-f-20150126.9002
yunos?

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