Steps to solve bad encrypted message in Signal.
                     Conference presentation
STEPS TO SOLVE ‘BAD 
ENCRYPTED MESSAGE/MESSAGE 
OUT OF SYNC’ ISSUES IN SIGNAL
INTRODUCTION
 Signal is one of the most popular safety 
networking apps that see a boom in users 
after a security Privacy Policy scandal for 
WhatsApp. 
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COMPANY PROFILE
 Signal is a cross-platform centralized encrypted 
messaging service developed by the Signal 
Foundation and Signal Messenger. 
 It uses the Internet to send one-to-one and group 
messages, which can include files, voice notes, 
images and videos.
Source: Wikipedia
SIGNALS COLLAPSED 
 Signal’s servers crashed on January 15, 2021, 
after millions of new users flocked to the app 
in a matter of days.
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BAD ENCRYPTED MESSAGE SIGN
 While the servers are back up now, some 
Signal users on Android may still see a Bad 
encrypted message sign in chats, which 
prevent them from seeing what messages 
they have received. 
Source: indianexpress.com
IOS USERS
 Meanwhile, iOS users may see a ‘Received 
message was out of sync’ error. Here is how to 
solve that by resetting your secure session.
Source: indianexpress.com
STEPS TO SOLVE 
‘BAD ENCRYPTED 
MESSAGE/MESSAG
E OUT OF SYNC’ 
ISSUES
STEP 1: ENTER THE 
AFFECTED CHAT
 Open Signal and navigate to the chat where you 
see the “Bad encrypted message” sign. On 
Android, Hit the three-dot menu on the top right 
and choose ‘Reset Secure Session’. 
 On iOS devices, directly tap on the ‘Reset 
Session’ button below the “Received message 
was out of sync” error.
Source: indianexpress.com
STEP 2: RESET THE CHAT’S 
SECURE SESSION
 In the dialogue box that follows, go forward 
with the reset, so a new secure session can be 
formed and the error can be resolved. 
 Signal has assured its users that the error 
does not compromise the chat’s security, and 
will be resolved in the next update.
Source: indianexpress.com
SECURITY FEATURE 
 Bad Encrypted message error you see is in 
fact a security feature to keep your messages 
safe and protected from third parties in case 
of events like the server crash that took place 
recently. 
Source: indianexpress.com
FIXED AUTOMATICALLY
 The errors do not affect chat security and will 
automatically be fixed in the next update, 
announced Signal.
Source: indianexpress.com