From what I can see, the parameters for the network login get stored in the memory area programmed by the file blank.bin. Whenever I have issues with network login I simply re-flash blank.bin (clear out the garbage). But I haven't had any issues since using a high quality power supply during flashing.
Hope this helps.
Re: 【BETA】esp_iot_sdk_v0.9.6_b1 released ！
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