Sorry, iIf a person is no longer part ofhas left a channel in the past, you need to be in their Telegram contacts in order to add them back.
Note thatThey can still join via an invite link as long as they could still join viaare not on the channel's invite link as long as they are not in the Removed uUsers list.
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初音 ミク,
Dec 16, 2018 at 17:02