File-Sharing function of the "HotSpot Tethering & Share File" app is running as a kind of web service. When the File-Sharing function is enabled, the client user of another connected device can browse the sharing files via browser. Since modern mobile device always builtin a default browser, almost each device connected with the File-Sharing service can get the shared files without installing any other program.
Our original design was to support as many kinds of devices as possible to share its files via an easy way, till now our opinion is not changed. We think all the devices should offer their values, they should be still treasures rather than electronics trashes, indeed many important files or pictures were left in them and forgotten. So we still release the "HotSpot Tethering & Share File" app to support old Android devices; the Free version app supports Android 4.0 and above and the Pro version app supports Android 2.2 and above.
Configure the service
It is very easy to setup. Enter the configure page and click the "Start Service" button, everything is ready. Client users can connect the service by scan the QRCode above, they can then start to glance over the files or pictures easily. PC client users can click the "Or input" link as the above picture, to show the URL text hint and input the URL into their client browser to view files or pictures.
Share files with or without internet
Generally speaking users would not insert sim card into an old device to offer telecom data, even so they still can share files from the old device via the "HotSpot Tethering & Share File" app. As the previous paragraphs description, the File-Sharing function is a service running on a local network, it means another client device (Called device B) should first tether to the same local network with the device (Called device A) running the File-Sharing service.
The best practice is to turn on the mobile hotspot of device A (even if it cannot provide internet data) and then the client device B tethers to it, the next is to turn on the file-sharing service of the app on the device A and then the client device B connects to the file-sharing service to get the sharing files. The internet access is depend on the telecom sim card service or not.
Actually the "HotSpot Tethering & Share File" app on Android 8 and above can create a kind of hotspot called Local-Hotspot for private network tethering to prevent from offering the internet data via telecom sim card.
For some situation just the the device A and device B tether to the same wifi, the File-Sharing service of device A can still works, in this case both of them might get internet data via the wifi network.
The film shows how to share files with other device:
Client Side Support
The File-Sharing service of the "HotSpot Tethering & Share File" app best support for Firefox 2.0 or IE8 above and any new kinds of browser like chrome, Edge. That is, the windows98 user can get the sharing files via firefox2.0 to see pictures by builtin picture viewer easily. If a client use new firefox version on PC/NB to view a video file, firefox even display as streaming video rather than downloading directly.
The following is hotkey for browsing with keyboard:
Some manufactures custom the reboot permission for Android system so that we have to grant it manually. This time we tried out on MIUI 12.0.4 and recommand the following setup: Click Here To Translate this page 1. Enable the event rule of "Turn ON AP at device booted" in our app 2. Long press the app desktop icon, tap "App Info" item then grant the "Autostart" permission, and set the "Battery saver" to be "No restriction" 3. For unknown reason in miui12.0.4 we found the "Accessibility" of app should be enabled to stable our boot-event rule working. Tap the editbox in main page of app -> When the permission asked, tap Go -> Tap the "Downloaded services" -> find our app and enable the Accessibility. 4. Reboot phone and verify, if our app runs successfully, the "App behavior" page in the "App Info" of the app would show "Once" sub caption on the top of the timel
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