diff --git a/gui/theme/common/watch.xml b/gui/theme/common/watch.xml
index 7b474dd..7421203 100755
--- a/gui/theme/common/watch.xml
+++ b/gui/theme/common/watch.xml
@@ -976,6 +976,8 @@
 				<action function="set">tw_show_exclamation=0</action>
 				<action function="set">tw_show_reboot=0</action>
 				<action function="set">tw_crypto_user_id=</action>
+				<action function="set">tw_multiuser_warning_accepted=</action>
+				<action function="set">tw_multiuser_warning_destination=</action>
 				<action function="page">%tw_clear_destination%</action>
 			</action>
 		</page>
@@ -1932,6 +1934,18 @@
 		<page name="backup">
 			<template name="page"/>
 
+			<action>
+				<conditions>
+					<condition var1="tw_is_fbe" var2="1"/>
+					<condition var1="tw_all_users_decrypted" var2="0"/>
+					<condition var1="tw_multiuser_warning_accepted" op="!=" var2="1"/>
+				</conditions>
+				<actions>
+					<action function="set">tw_multiuser_warning_destination=backup</action>
+					<action function="page">multiuser_warning</action>
+				</actions>
+			</action>
+
 			<template name="statusbar"/>
 
 			<text style="text_m">
@@ -2055,6 +2069,49 @@
 			</action>
 		</page>
 
+		<page name="multiuser_warning">
+			<template name="page"/>
+
+			<text style="text_m">
+				<placement x="%col1_x_left%" y="%row1_header_y%"/>
+				<text>{@multiuser_warning_hdr=Multiuser Warning}</text>
+			</text>
+
+			<text style="text_m_fail">
+				<placement x="%center_x%" y="%row6_y%" placement="5"/>
+				<text>{@multiuser_warning1=Not all users decrypted!}</text>
+			</text>
+
+			<text style="text_m_fail">
+				<placement x="%center_x%" y="%row7_y%" placement="5"/>
+				<text>{@multiuser_warning2=Backup/restore operations may fail!}</text>
+			</text>
+
+			<button style="main_button_full_width">
+				<placement x="%col1_x_left%" y="%row6_y%"/>
+				<text>{@decrypt_users=Decrypt Users}</text>
+				<action function="page">decrypt_users</action>
+			</button>
+
+			<slider>
+				<text>{@multiuser_warning_accept=Continue Anyway}</text>
+				<actions>
+					<action function="set">tw_multiuser_warning_accepted=1</action>
+					<action function="page">%tw_multiuser_warning_destination%</action>
+				</actions>
+			</slider>
+
+			<action>
+				<touch key="home"/>
+				<action function="page">main</action>
+			</action>
+
+			<action>
+				<touch key="back"/>
+				<action function="page">main</action>
+			</action>
+		</page>
+
 		<page name="backup_options">
 			<template name="page"/>
 
@@ -2585,6 +2642,18 @@
 		<page name="restore">
 			<template name="page"/>
 
+			<action>
+				<conditions>
+					<condition var1="tw_is_fbe" var2="1"/>
+					<condition var1="tw_all_users_decrypted" var2="0"/>
+					<condition var1="tw_multiuser_warning_accepted" op="!=" var2="1"/>
+				</conditions>
+				<actions>
+					<action function="set">tw_multiuser_warning_destination=restore</action>
+					<action function="page">multiuser_warning</action>
+				</actions>
+			</action>
+
 			<template name="statusbar"/>
 
 			<text style="text_m">