如果您的设备还停留在旧固件，甚至老到苹果已经停止签署，那么如今你也可以使用最新发布的SHSH备份利器iFaith，将当前固件版本的SHSH保存下来。iFaith兼容除iPad 2，iPod touch二代和iPhone 3G以外的iOS设备。使用iFaith的设备不需要先越狱。-The SHSH a backup weapon if your device is still stuck in the old firmware, even seasoned Apple has stopped to sign, so now you can also use the latest release iFaith the current firmware version SHSH saved. iFaith compatible iOS devices other than outside the iPad 2, iPod touch second generation and iPhone 3G. Use iFaith equipment do not need to escape.