给大家提供以下Apple Developer上面的固件官方下载地址

[wzxjohn]

下载的都是dmg格式，请按照
/t/72001
自行提取。

Apple的型号啥的我也不是很懂。。。大家自行对号入座吧。。。

iPhone 5 (Model A1428)
http://adcdownload.apple.com//wwdc_2013/ios_7_beta/ios_7_beta__ iPhone _5_model_a1428__11a4372q.dmg

iPhone 5 (Model A1429)
http://adcdownload.apple.com//wwdc_2013/ios_7_beta/ios_7_beta__ iPhone _5_model_a1429__11a4372q.dmg

iPhone 4S
http://adcdownload.apple.com//wwdc_2013/ios_7_beta/ios_7_beta__ iPhone _4s__11a4372q.dmg

iPhone 4 (GSM Rev A)
http://adcdownload.apple.com//wwdc_2013/ios_7_beta/ios_7_beta__ iPhone _4_gsm_rev_a__11a4372q.dmg

iPhone 4 (GSM)
http://adcdownload.apple.com//wwdc_2013/ios_7_beta/ios_7_beta__ iPhone _4_gsm__11a4372q.dmg

iPhone 4 (CDMA)
http://adcdownload.apple.com//wwdc_2013/ios_7_beta/ios_7_beta__ iPhone _4_cdma__11a4372q.dmg

iPod touch (5th generation)
http://adcdownload.apple.com//wwdc_2013/ios_7_beta/ios_7_beta__ iPod _touch_5th_generation__11a4372q.dmg

Mobile Device Installer Package
http://adcdownload.apple.com//wwdc_2013/ios_7_beta/mobiledevice_installer_package_mac.dmg

[wzxjohn]

抱歉好像必须要是开发者才能官方下载。麻烦@Livid 删贴吧。