How can I change the device name of an unrooted Android 7.0-based Gigaset GS170 smartphone so it appears with a meaningful/readable name e.g. in a router's list of connected wifi devices?

Various resources (e.g. this or this) suggest I should find a line saying Device Name in the About Phone section of the phone settings. However, I can see no such line there (images before and after scrolling down):

About Phone screenshot About Phone screenshot after scrolling down

As the device is set to German, here are the translations of the items in their order of appearance:

  • System Updates
  • Status (Phone number, signal, etc.)
  • Legal notes
  • Model type number
  • Android version
  • State of security updates
  • Baseband version
  • Kernel version
  • Build number
  • Adapt creation version

Is there somewhere else I could look for that option, or is it something only supported by specific devices?

There are a few questions about this on this site (e.g. this and this), but those were posted several years ago, when early versions of Android with some "childhood diseases" (read: lack of basic features) were still the state of the art.

  • It would be under About Devices. I don't know when this behaviour changed but on stock Marshmallow and Nougat you can't change it. If your device is rooted, you can use this app – beeshyams Aug 27 '17 at 8:07
  • What is Wi-Fi device name? – iBug Jan 25 '18 at 4:31
  • @iBug: The name of the device in the local network it is connected to (e.g. in the router's list of connected wifi devices). – O. R. Mapper Jan 25 '18 at 4:46
  • It was possible for me on my non-rooted stock COS13.1 on OnePlus One. – NVZ Jan 25 '18 at 11:24

AFAIK it's possible that a phone manufacturer hide that option from UI on their products, and I guess your phone it's one of them. My phone OnePlus 5, however, does allow changing it from Settings app.

So, if root access is available, try this in a rooted terminal environment:

setprop net.hostname "Whatever You Like"

Mount /system partition as R/W, head for /system/build.prop. Find this line and if it exists, change it (this line may not be present on Android 5 or lower):

ro.display.series=Same As Above

Reboot is required. After that the new name should have effect. Before modifying build.prop consider making a backup of it (and have a means of restore, e.g. via ): if the file is "broken", your device won't boot up properly.

  • @Izzy You're right. – iBug Jan 25 '18 at 13:48

On my Android 7 phone (Zenfone 3) I was able to change the bluetooth name as follows:

  1. Open "Settings"
  2. Open "Bluetooth"
  3. Select the action bar (the three dots in a vertical line in the top right of the display)
  4. Select "Rename this device"
  5. Enter the desired device name for bluetooth purposes
  6. Select "Rename"
  • The "action bar" only has two options for me, "Update" (the list of wifis) and "Advanced", with the latter pointing to a menu for installing certificates, wifi direct, and WPS. – O. R. Mapper Oct 12 '17 at 15:38
  • 4
    @J. Beattie instructs for Bluetooth while you asked about WiFi... – Yisroel Tech Oct 16 '17 at 3:21

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