diff --git a/README.md b/README.md
index 91bbd76..234e3e7 100644
--- a/README.md
+++ b/README.md
@@ -107,10 +107,10 @@
     - iPhone 2G, 3G, 3GS, iPod touch 1, touch 2 - All versions are supported
     - Lowest downgradable version is 2.0. Going to 1.x does not work
     - For jailbreaking support, see below
-- Jailbreaking for older devices and versions support:
-    - iPhone 2G and touch 1 - Only 3.1.3 is supported
-    - iPhone 3G - Only 4.1 and 3.1.3 are supported
-    - iPod touch 2 - Only 4.2.1, 4.1, and 3.1.3 are supported
+- Jailbreaking for 32-bit devices and versions support:
+    - iPhone 2G and touch 1 - 3.1.3 only
+    - iPhone 3G - 4.1 and 3.1.3
+    - iPod touch 2 - 4.2.1, 4.1, and 3.1.3
     - iPhone 3GS - All versions are supported (all release versions from 3.0 to 6.1.6)
     - Other devices - All versions from 3.1.3 to 9.3.4 are supported, with some exceptions
     - For more details, go to the ["Jailbreaking" wiki page](https://github.com/LukeZGD/Legacy-iOS-Kit/wiki/Jailbreaking)
diff --git a/restore.sh b/restore.sh
index d4a04d9..a3b8fd4 100755
--- a/restore.sh
+++ b/restore.sh
@@ -2020,8 +2020,7 @@ ipsw_preference_set() {
         esac
     else
         case $device_target_vers in
-            4.2.1 ) :;;
-            4.[210]* ) ipsw_nojailbreak_message;;
+            4.[10]* ) ipsw_nojailbreak_message;;
         esac
     fi
 
@@ -2451,7 +2450,7 @@ ipsw_prepare_jailbreak() {
                 5* | 4.[32]* ) JBFiles+=("g1lbertJB/${device_type}_${device_target_build}.tar");;
             esac
             case $device_target_vers in
-                [34]* ) JBFiles[0]="fstab_old.tar"
+                [43]* ) JBFiles[0]="fstab_old.tar"
             esac
             for i in {0..1}; do
                 JBFiles[i]=$jelbrek/${JBFiles[$i]}
@@ -2463,7 +2462,7 @@ ipsw_prepare_jailbreak() {
                         JBFiles[2]=
                     fi
                 ;;
-                4.2.1 )
+                4.2.[8761] )
                     if [[ $device_type != "iPhone1,2" ]]; then
                         ExtraArgs+=" -punchd"
                         JBFiles[2]=$jelbrek/greenpois0n/${device_type}_${device_target_build}.tar
@@ -2483,7 +2482,7 @@ ipsw_prepare_jailbreak() {
             fi
             if [[ $device_target_tethered == 1 && $device_type != "iPad2"* ]]; then
                 case $device_target_vers in
-                    4.2.1 ) :;;
+                    4.2.[8761] ) :;;
                     5* | 4.[32]* ) JBFiles+=("$jelbrek/g1lbertJB/install.tar");;
                 esac
             fi
@@ -3205,7 +3204,7 @@ ipsw_prepare_32bit() {
         fi
         if [[ $device_target_tethered == 1 ]]; then
             case $device_target_vers in
-                4.2.1 ) :;;
+                4.2.[8761] ) :;;
                 5* | 4.[32]* ) JBFiles+=("$jelbrek/g1lbertJB/install.tar");;
             esac
         fi