diff --git a/client/cmdsmartcard.c b/client/cmdsmartcard.c
index d6606ad19..c9dde7063 100644
--- a/client/cmdsmartcard.c
+++ b/client/cmdsmartcard.c
@@ -69,7 +69,7 @@ static int usage_sm_upgrade(void) {
     PrintAndLogEx(NORMAL, "       f <filename>    :  firmware file name");
     PrintAndLogEx(NORMAL, "");
     PrintAndLogEx(NORMAL, "Examples:");
-    PrintAndLogEx(NORMAL, "        sc upgrade f ../tools/simmodule/SIM011.BIN");
+    PrintAndLogEx(NORMAL, "        sc upgrade f ../tools/simmodule/sim011.bin");
     return 0;
 }
 static int usage_sm_setclock(void) {
diff --git a/doc/cheatsheet.md b/doc/cheatsheet.md
index 670ae1979..4a61ae7d2 100644
--- a/doc/cheatsheet.md
+++ b/doc/cheatsheet.md
@@ -522,7 +522,7 @@ pm3 --> mem load f iclass_default_keys i
 
 Upgrade Sim Module firmware
 ```
-pm3 --> sc upgrade f ../tools/simmodule/SIM011.BIN
+pm3 --> sc upgrade f ../tools/simmodule/sim011.bin
 ```
 
 ## Smart Card
diff --git a/doc/md/Installation_Instructions/Troubleshooting.md b/doc/md/Installation_Instructions/Troubleshooting.md
index 336d89fe1..19f1dbee7 100644
--- a/doc/md/Installation_Instructions/Troubleshooting.md
+++ b/doc/md/Installation_Instructions/Troubleshooting.md
@@ -111,9 +111,9 @@ cd client; ./proxmark3 ...
 Therefore client commands referring to files of the repo must be adapted, e.g.
 
 ```
-pm3 --> sc upgrade f tools/simmodule/SIM011.BIN
+pm3 --> sc upgrade f tools/simmodule/sim011.bin
 <>
-pm3 --> sc upgrade f ../tools/simmodule/SIM011.BIN
+pm3 --> sc upgrade f ../tools/simmodule/sim011.bin
 ```
 
 ```
diff --git a/doc/md/Use_of_Proxmark/2_Configuration-and-Verification.md b/doc/md/Use_of_Proxmark/2_Configuration-and-Verification.md
index 503c4b988..8ec176edb 100644
--- a/doc/md/Use_of_Proxmark/2_Configuration-and-Verification.md
+++ b/doc/md/Use_of_Proxmark/2_Configuration-and-Verification.md
@@ -32,21 +32,21 @@ Find version in the long output,  look for these two lines
 
 This version is obsolete.
 
-If you didn't download SIM011.bin from the RRG Repo be aware that it might be corrupted or faulty.
+If you didn't download sim011.bin from the RRG Repo be aware that it might be corrupted or faulty.
 You find a hash text file in this folder.   It was generated with the following linux command.
 
 ```
-sha512sum -b SIM011.bin > SIM011.sha512.txt
+sha512sum -b sim011.bin > sim011.sha512.txt
 ```
 
-You should validate the SIM011.bin file against this hash file in order to be sure the file is not corrupted or faulty.
+You should validate the sim011.bin file against this hash file in order to be sure the file is not corrupted or faulty.
 
 The following command upgrades your device sim module firmware.
 Don't not turn off your device during the execution of this command!!
 Even its a quite fast command you should be warned.  You may brick it if you interrupt it.
 
 ```
-pm3 --> sc upgrade f ../tools/simmodule/SIM011.BIN 
+pm3 --> sc upgrade f ../tools/simmodule/sim011.bin 
 ```
 
 You get the following output if the execution was successful:
diff --git a/tools/simmodule/SIM010.BIN b/tools/simmodule/sim010.bin
similarity index 100%
rename from tools/simmodule/SIM010.BIN
rename to tools/simmodule/sim010.bin
diff --git a/tools/simmodule/SIM010.sha512.txt b/tools/simmodule/sim010.sha512.txt
similarity index 90%
rename from tools/simmodule/SIM010.sha512.txt
rename to tools/simmodule/sim010.sha512.txt
index b7bab7246..0b3e6b438 100644
--- a/tools/simmodule/SIM010.sha512.txt
+++ b/tools/simmodule/sim010.sha512.txt
@@ -1 +1 @@
-e6ac5e6f1d7cc86d56f2128f2a495f1395fe044bf6ff3b6ca24ce90d1e361ae835fe273a206f2fc90e4344a13b37b180dd017a2c7f23312f1ed163f10c01ea5a *SIM010.BIN
+e6ac5e6f1d7cc86d56f2128f2a495f1395fe044bf6ff3b6ca24ce90d1e361ae835fe273a206f2fc90e4344a13b37b180dd017a2c7f23312f1ed163f10c01ea5a *sim010.bin
diff --git a/tools/simmodule/SIM011.BIN b/tools/simmodule/sim011.bin
similarity index 100%
rename from tools/simmodule/SIM011.BIN
rename to tools/simmodule/sim011.bin
diff --git a/tools/simmodule/SIM011.sha512.txt b/tools/simmodule/sim011.sha512.txt
similarity index 90%
rename from tools/simmodule/SIM011.sha512.txt
rename to tools/simmodule/sim011.sha512.txt
index 54a8bfd09..23ee6875f 100644
--- a/tools/simmodule/SIM011.sha512.txt
+++ b/tools/simmodule/sim011.sha512.txt
@@ -1 +1 @@
-752f9d8af3db214a797bacb7362a0b53eff4dd3793853e467047b7d36ddae9d1b4a050d9136225a48830d9c70bbad791f89d05553b0453f004b7bbcdc337e658 *SIM011.BIN
+752f9d8af3db214a797bacb7362a0b53eff4dd3793853e467047b7d36ddae9d1b4a050d9136225a48830d9c70bbad791f89d05553b0453f004b7bbcdc337e658 *sim011.bin