Nexus Android 5.1.1 Release: 5 Things We Learned in May

... Nexus Android 5.1.1 update in April. Android 5.1.1 was made official in April but its taken Google several weeks to get it and its crucial bug fixes pushed out to key devices like the Nexus 5, Nexus 4, and the Nexus 9. Nexus6.

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