An update

- fix #535 by doing full -Syu instead of partial -Sy
- add "--skip-first" flag for powdersn0w 4.2.1 and lower
- add message when macos system python2 is used
- firmware keys detect if a component is missing
- add checks in multipatch ramdisk
- autoinstall alloc8 in newbr 3gses
- add untested experimental option to jailbreak ios 7 64-bit

README.md

@@ -91,15 +91,19 @@
     - iPhone 8, X
     - iPad 5
     - iPad Pro 9.7/12.9 1st gen
-- Restoring with powdersn0w is supported on the following devices and target version range:
-    - iPhone 4 GSM - iOS 4.0 to 7.1.1 (all versions except 4.2.1)
+- Restoring with **powdersn0w** is supported on the following devices and target version range:
+    - iPhone 4 GSM - iOS 4.0 to 7.1.1 (4.2.1 and lower are hit or miss)
     - iPhone 4 CDMA - iOS 5.0 to 7.1.1
     - iPhone 4S, 5, 5C, iPad 2 Rev A, iPod touch 5 - iOS 5.0 to 9.3.5
     - iPad 1 - iOS 4.2.1 to 5.1
     - iPod touch 3 - iOS 4.0 to 5.1
     - Using powdersn0w requires iOS 7.1.x blobs for your device
         - No blob requirement for iPhone 4, iPad 1, iPod touch 3 (7.1.2 and 5.1.1 are signed)
         - For iPhone 5 and 5C, both 7.0.x and 7.1.x blobs can be used
+- Restoring **tethered** to any version is supported on the following devices:
+    - iPhone 4 (3,2 and 3,3), 4S, 5, 5C
+    - iPad 1, 2, 3, 4, mini 1
+    - iPod touch 3, 4, 5
 - Restoring and jailbreaking to other unsigned versions without blobs is supported on the following devices and target version range:
     - iPhone 3GS - iOS 3.0 to 6.1.3 (all versions)
     - iPod touch 2 - iOS 2.1.1 to 4.1 (all versions)