Click on the Public Channel name on top of the screen to see menu.
By choosing “Change Type” and seeing the Channel ID in its field, copy this ID and type it as a message beginning with @ then send it to your private channel. Thus, all members of this private channel can easily join the very public one by clicking this ID.
After creating a public channel, you can convert it to private if you like to. So, click on channel name on top of the screen to see menu.
Among the options you can choose “Change Type” and see its type as “Private”.
In order to convert this channel to public choose this type and see the field of Public Channel ID. Type the ideal ID for your channel and click “OK”.
You have your channel as public at the moment.
Private and Public Channels in Web version
In order to create a channel in Web, click the icon of three lines at the top right corner of the screen to see menu.
Choose “New Channel”, so that a new page for channel name and channel description will be seen. Note that, choosing a name for channel is mandatory but the description is optional.
You should type your favorite name for channel (and if you like type a description) and click “Next”. So, you will be directed to another page and select your required channel (as private or public).
With this selection you will see a page about channel Username and you can type a username with the length of 5-32 characters (A-Z/ a-z/ 0-9). This is as an ID for your public channel and any of your contacts or group members can join if you add @ at its beginning as an address.
After choosing this sort of channel you will be directed to a new page in which you can add members, moderators and admins. By clicking on any of your contacts and set as selective, press “Add (the number of) Members” at the bottom of the screen. Thus, your channel is ready now and you can enter its main page.
After creating your channel and entering its main page, you are able to choose your favorite channel picture as its icon. You have to click your channel name on top of the page to see options.
Choose the icon of Edit and you have this right to choose your ideal picture among the saved ones on your system and upload it by clicking the camera pictogram.
Then, the chosen picture can be shown in a squared frame in order to be cropped. So, click on CROP & SEND and SAVE finally to finalize the changes.
If you have made your decision to add more and more members to your public channel, you have this power to make it possible other users join it. In this action, many members can join simultaneously and number of members can be raised all at once.
To do so, tap the channel name at top of the page and see channel Settings.
An option shown by “Username” is clear and by copying the channel username as a message beginning with @ in a private channel of yours and then sending that as an Invitation Link. Every one of members in your private channel can join by touching this link and then be added to your public channel.