RESOLVED FIXED 158874
Content blocking not working (if update iOS) 
https://bugs.webkit.org/show_bug.cgi?id=158874
Summary Content blocking not working (if update iOS)
test
Reported 2016-06-17 08:17:50 PDT
Loading this content blocker app https://github.com/AdguardTeam/AdguardForiOS https://itunes.apple.com/us/app/adguard-adblock-privacy-protection/id1047223162?mt=8 or from Mozilla Focus I using ios 9.3.3 public beta 1, then loading public beta 2, ios device restart and install this update. 10 min later,done. now open safari and go to website with ad. you can see no blocking. then I see in settings from safari, the app is on!! in this case disable and activate again. go to website again, now blocking!! this is bug!! always if update new ios version!! please fix
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Radar WebKit Bug Importer
Comment 1 2016-06-17 21:26:50 PDT
<rdar://problem/26875653>
test
Comment 2 2016-06-19 17:09:36 PDT
I test again, content blocker is on Now! This time iOS 9.3.2 (13F69) update -> iOS 10 Beta 1 (14A5261v) It comes same issue, no blocking. Test 2 for you: Current have not OS X device here. Install content blocker using the new API since OS X 10.11 e.g adguard or 1Blocker Then update e.g from OS X 10.11.5 (15F34) -> macOS Beta 1 (16A201w) Same issue?
Andrey Meshkov
Comment 3 2016-07-26 12:36:26 PDT
We've got the same complaint with iOS stable update, it seems that content blocker is not imported after the OS update: http://forums.macrumors.com/threads/ios-9-content-blockers-mini-reviews.1918483/page-31#post-23165808 Also here is one more bug report (update from 9.3.3 public beta 1 --> 9.3.3 public beta 2): https://github.com/AdguardTeam/AdguardForiOS/issues/94
test
Comment 4 2016-10-28 08:55:25 PDT
I think in iOS 10.1 fixed.
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