title: Pushkit token not getting in some devices iOS
body: <p>I have implemented <code>PushKit</code>. I've followed these steps:</p>
  
  <p>1.) <a href="https://stackoverflow.com/a/38184769/4970453">https://stackoverflow.com/a/38184769/4970453</a></p>
  
  <p>2.) <a href="https://stackoverflow.com/a/28562124">https://stackoverflow.com/a/28562124</a></p>
  
  <p>I am able to get <code>didUpdatePushCredentials</code> device token.
  working in --> iPhone 5s , iPhone6 Plus</p>
  
  <p><code>didUpdatePushCredentials</code> Not working in --> iPhone6 and iPhone7 </p>
  
  <p>I am using same cerificates and Build for all devices. Don't know the exact issue. 
  If anyone have faced this kind of problem, please share work-arounds.</p>
  
  <p>My code and Certificate Link</p>
  
  <p>code -> <a href="https://www.dropbox.com/sh/x2615t7xn8mavs3/AADbX5nBuF5_08YNPX8wI59ga?dl=0" rel="noreferrer">https://www.dropbox.com/sh/x2615t7xn8mavs3/AADbX5nBuF5_08YNPX8wI59ga?dl=0</a></p>
  
  <p>cer -> <a href="https://www.dropbox.com/sh/70l4htj1c46emog/AABxBalaoN1JP22dQp8-mNXGa?dl=0" rel="noreferrer">https://www.dropbox.com/sh/70l4htj1c46emog/AABxBalaoN1JP22dQp8-mNXGa?dl=0</a></p>
  
  <pre><code> Solution -----&gt; I have changed Bundle identifier And create New certificate with New BundleId.
  </code></pre>