diff --git a/Telegram/SourceFiles/api/api_confirm_phone.cpp b/Telegram/SourceFiles/api/api_confirm_phone.cpp
index f94bf0a6a9..677d6d13c0 100644
--- a/Telegram/SourceFiles/api/api_confirm_phone.cpp
+++ b/Telegram/SourceFiles/api/api_confirm_phone.cpp
@@ -58,6 +58,10 @@ void ConfirmPhone::resolve(
 			}, [&](const MTPDauth_sentCodeTypeSetUpEmailRequired &) {
 				return bad("SetUpEmailRequired");
 			});
+			const auto fragmentUrl = data.vtype().match([](
+					const MTPDauth_sentCodeTypeFragmentSms &data) {
+				return qs(data.vurl());
+			}, [](const auto &) { return QString(); });
 			const auto phoneHash = qs(data.vphone_code_hash());
 			const auto timeout = [&]() -> std::optional<int> {
 				if (const auto nextType = data.vnext_type()) {
@@ -70,6 +74,7 @@ void ConfirmPhone::resolve(
 			auto box = Box<Ui::ConfirmPhoneBox>(
 				phone,
 				sentCodeLength,
+				fragmentUrl,
 				timeout);
 			const auto boxWeak = Ui::MakeWeak(box.data());
 			box->resendRequests(
diff --git a/Telegram/SourceFiles/ui/boxes/confirm_phone_box.cpp b/Telegram/SourceFiles/ui/boxes/confirm_phone_box.cpp
index a2b51ac502..9fab7f4a59 100644
--- a/Telegram/SourceFiles/ui/boxes/confirm_phone_box.cpp
+++ b/Telegram/SourceFiles/ui/boxes/confirm_phone_box.cpp
@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "ui/boxes/confirm_phone_box.h"
 
+#include "core/file_utilities.h"
 #include "ui/boxes/confirm_box.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/labels.h"
@@ -22,10 +23,20 @@ ConfirmPhoneBox::ConfirmPhoneBox(
 	QWidget*,
 	const QString &phone,
 	int codeLength,
+	const QString &openUrl,
 	std::optional<int> timeout)
 : _phone(phone)
 , _sentCodeLength(codeLength)
-, _call([this] { sendCall(); }, [this] { update(); }) {
+, _call([=] { sendCall(); }, [=] { update(); }) {
+	if (!openUrl.isEmpty()) {
+		_fragment.create(
+			this,
+			tr::lng_intro_fragment_button(),
+			st::fragmentBoxButton);
+		_fragment->setClickedCallback([=] { File::OpenUrl(openUrl); });
+		_fragment->setTextTransform(
+			Ui::RoundButton::TextTransform::NoTransform);
+	}
 	if (timeout) {
 		_call.setStatus({ Ui::SentCodeCall::State::Waiting, *timeout });
 	}
@@ -59,7 +70,8 @@ void ConfirmPhoneBox::prepare() {
 			+ _code->height()
 			+ st::usernameSkip
 			+ _about->height()
-			+ st::usernameSkip);
+			+ st::usernameSkip
+			+ (_fragment ? (_fragment->height() + fragmentSkip()) : 0));
 
 	connect(_code, &Ui::InputField::submitted, [=] { sendCode(); });
 
@@ -132,15 +144,27 @@ void ConfirmPhoneBox::resizeEvent(QResizeEvent *e) {
 		_code->height());
 	_code->moveToLeft(st::usernamePadding.left(), st::usernamePadding.top());
 
-	_about->moveToLeft(
-		st::usernamePadding.left(),
-		_code->y() + _code->height() + st::usernameSkip);
+	if (_fragment) {
+		_fragment->setFullWidth(_code->width());
+		_fragment->moveToLeft(
+			(width() - _fragment->width()) / 2,
+			_code->y() + _code->height() + st::usernameSkip);
+	}
+
+	const auto aboutTop = _fragment
+		? (_fragment->y() + _fragment->height() + fragmentSkip())
+		: (_code->y() + _code->height() + st::usernameSkip);
+	_about->moveToLeft(st::usernamePadding.left(), aboutTop);
 }
 
 void ConfirmPhoneBox::setInnerFocus() {
 	_code->setFocusFast();
 }
 
+int ConfirmPhoneBox::fragmentSkip() const {
+	return st::usernamePadding.bottom();
+}
+
 rpl::producer<QString> ConfirmPhoneBox::checkRequests() const {
 	return _checkRequests.events();
 }
diff --git a/Telegram/SourceFiles/ui/boxes/confirm_phone_box.h b/Telegram/SourceFiles/ui/boxes/confirm_phone_box.h
index ce620d86a2..43eefc529d 100644
--- a/Telegram/SourceFiles/ui/boxes/confirm_phone_box.h
+++ b/Telegram/SourceFiles/ui/boxes/confirm_phone_box.h
@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Ui {
 
 class FlatLabel;
+class RoundButton;
 
 class ConfirmPhoneBox final : public Ui::BoxContent {
 public:
@@ -20,6 +21,7 @@ public:
 		QWidget*,
 		const QString &phone,
 		int codeLength,
+		const QString &openUrl,
 		std::optional<int> timeout);
 
 	[[nodiscard]] rpl::producer<QString> checkRequests() const;
@@ -40,6 +42,8 @@ private:
 	void sendCall();
 	void checkPhoneAndHash();
 
+	[[nodiscard]] int fragmentSkip() const;
+
 	QString getPhone() const;
 	void showError(const QString &error);
 
@@ -54,6 +58,7 @@ private:
 
 	object_ptr<Ui::FlatLabel> _about = { nullptr };
 	object_ptr<Ui::SentCodeField> _code = { nullptr };
+	object_ptr<Ui::RoundButton> _fragment = { nullptr };
 
 	QString _error;
 	Ui::SentCodeCall _call;