diff --git a/lib/roles/device/plugins/install.js b/lib/roles/device/plugins/install.js
index a2b119e0..ca456548 100644
--- a/lib/roles/device/plugins/install.js
+++ b/lib/roles/device/plugins/install.js
@@ -1,5 +1,4 @@
 var stream = require('stream')
-var util = require('util')
 
 var syrup = require('syrup')
 var request = require('request')
@@ -8,6 +7,7 @@ var Promise = require('bluebird')
 var logger = require('../../../util/logger')
 var wire = require('../../../wire')
 var wireutil = require('../../../wire/util')
+var promiseutil = require('../../../util/promiseutil')
 
 module.exports = syrup.serial()
   .dependency(require('../support/adb'))
@@ -58,8 +58,8 @@ module.exports = syrup.serial()
                 // Progress 0% to 70%
                 sendProgress(
                   'pushing_app'
-                , 70 * Math.max(0, Math.min(
-                    70
+                , 50 * Math.max(0, Math.min(
+                    50
                   , stats.bytesTransferred / contentLength
                   ))
                 )
@@ -90,9 +90,22 @@ module.exports = syrup.serial()
       sendProgress('pushing_app', 0)
       pushApp()
         .then(function(apk) {
-          // Progress 80%
-          sendProgress('installing_app', 80)
-          return adb.installRemote(options.serial, apk)
+          var start = 50
+            , end = 90
+            , guesstimate = start
+
+          sendProgress('installing_app', guesstimate)
+          return promiseutil.periodicNotify(
+              adb.installRemote(options.serial, apk)
+            , 1000
+            )
+            .progressed(function() {
+              guesstimate = Math.min(
+                end
+              , guesstimate + 5 * (end - guesstimate) / (end - start)
+              )
+              sendProgress('installing_app', guesstimate)
+            })
         })
         .timeout(30000)
         .then(function() {