KG800 read one sim only

[lahdache]

hi help me for this error

i have KG800 this phone read only sim djezzy but not read other sim in other operateur .

i try to flash it and unlock but same problem .

what is the problem ?
any solution please ?

thank's
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lahdache

[lahdache]

hi where are you
any one help me for this error .
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