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My Nexus 7(android 6.0.1) constanly drops wi-fi connection(connects and disconnects immediately), presumably due to bad connection, while Nexus 5x lying next to it is staying connected just fine.

I got logs using adb and i think the cuprit is

04-30 11:15:38.013 594 7142 D NetworkMonitor/NetworkAgentInfo [WIFI () - 133]: Forcing reevaluation for UID 10022

04-30 11:15:38.018 594 7142 D NetworkMonitor/NetworkAgentInfo [WIFI () - 133]: Probably not a portal: exception java.net.UnknownHostException: Unable to resolve host "connectivitycheck.gstatic.com": No address associated with hostname

04-30 11:15:38.019 594 663 D ConnectivityService: NetworkAgentInfo [WIFI () - 133] validation failed

04-30 11:15:38.019 594 663 D ConnectivityService: notifyType CAP_CHANGED for NetworkAgentInfo [WIFI () - 133]

04-30 11:15:38.027 594 663 D ConnectivityService: sendStickyBroadcast: action=android.net.conn.INET_CONDITION_ACTION

04-30 11:15:38.079 594 663 D ConnectivityService: NetworkAgentInfo [WIFI () - 133] EVENT_NETWORK_INFO_CHANGED, going from CONNECTED to DISCONNECTED

I've checked from PC connectivitycheck.gstatic.com can be reached from my network, both dnslookup and ping work on it

There is no option in wi-fi setting to disable avoid bad wi-fi connection.

What can be done?

EDIT: Rebooting router and rebooting device did not help. I've also checked the router logs and settings, the device is not blacklisted, and router logs look just fine consistant with the behaviour - device connected, some negotiations, device disconnected.

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1 Answer 1

Reset to default
2

As i didn't find any solution neither on the internet nor here, i've desided to just flash my tablet using image from google, it helped. Edit: Factory images for all nexus devices can be found at this page, it contains simple to follow instructions on how to flash your device as well as images. Take care though failure during flash can brick your device

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  • you can improve your answer and help others as well by linking the image source
    – beeshyams
    May 1, 2016 at 7:39
  • Thought it would be trivial to find it, but okay
    – Goldseeker
    May 5, 2016 at 14:18
  • 1
    It adds to completeness of answer being self contained without googling. That is how good answers are on this site . +1
    – beeshyams
    May 5, 2016 at 17:58

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