I have the phone h900 (android 5.1.1 - h900 10f). The phone has been installed imei. The power of the latent network is too low. My engineer friend said that if a phone of the same model can find an uninvited backup, its parameters will solve the problem of the phone network. I would be grateful if someone could share the h900's solid system backup with me. (Qcn file)
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