diff --git a/Source/BugsnagCrashReport.m b/Source/BugsnagCrashReport.m
index 42e313aa7..090cd6691 100644
--- a/Source/BugsnagCrashReport.m
+++ b/Source/BugsnagCrashReport.m
@@ -483,7 +483,10 @@ - (NSDictionary *)toJson {
     
     NSMutableDictionary *appObj = [NSMutableDictionary new];
     [appObj addEntriesFromDictionary:self.app];
-    [appObj addEntriesFromDictionary:self.appState];
+    
+    for (NSString *key in self.appState) {
+        BSGDictInsertIfNotNil(appObj, self.appState[key], key);
+    }
     
     if (self.dsymUUID) {
         BSGDictInsertIfNotNil(appObj, @[self.dsymUUID], @"dsymUUIDs");
diff --git a/Source/BugsnagSink.m b/Source/BugsnagSink.m
index 19dbb4365..8d271acbf 100644
--- a/Source/BugsnagSink.m
+++ b/Source/BugsnagSink.m
@@ -29,6 +29,7 @@
 #import "BugsnagCollections.h"
 #import "BugsnagNotifier.h"
 #import "BugsnagKeys.h"
+#import "BSG_KSSystemInfo.h"
 
 // This is private in Bugsnag, but really we want package private so define
 // it here.
@@ -59,9 +60,40 @@ - (void)filterReports:(NSArray *)reports
          onCompletion:(BSG_KSCrashReportFilterCompletion)onCompletion {
     NSMutableArray *bugsnagReports = [NSMutableArray new];
     BugsnagConfiguration *configuration = [Bugsnag configuration];
+    
     for (NSDictionary *report in reports) {
-        BugsnagCrashReport *bugsnagReport =
-                [[BugsnagCrashReport alloc] initWithKSReport:report];
+        BugsnagCrashReport *bugsnagReport = [[BugsnagCrashReport alloc] initWithKSReport:report];
+        BOOL incompleteReport = (![@"standard" isEqualToString:[report valueForKeyPath:@"report.type"]] ||
+                                 [[report objectForKey:@"incomplete"] boolValue]);
+        
+        if (incompleteReport) { // append app/device data as this is unlikely to change between sessions
+            NSDictionary *sysInfo = [BSG_KSSystemInfo systemInfo];
+            
+            // reset any existing data as it will be corrupted/nil
+            bugsnagReport.appState = @{};
+            bugsnagReport.deviceState = @{};
+
+
+            NSMutableDictionary *appDict = [NSMutableDictionary new];
+            BSGDictInsertIfNotNil(appDict, sysInfo[@BSG_KSSystemField_BundleVersion], @"bundleVersion");
+            BSGDictInsertIfNotNil(appDict, sysInfo[@BSG_KSSystemField_BundleID], @"id");
+            BSGDictInsertIfNotNil(appDict, configuration.releaseStage, @"releaseStage");
+            BSGDictInsertIfNotNil(appDict, sysInfo[@BSG_KSSystemField_SystemName], @"type");
+            BSGDictInsertIfNotNil(appDict, sysInfo[@BSG_KSSystemField_BundleShortVersion], @"version");
+
+            NSMutableDictionary *deviceDict = [NSMutableDictionary new];
+            BSGDictInsertIfNotNil(appDict, sysInfo[@BSG_KSSystemField_Jailbroken], @"jailbroken");
+            BSGDictInsertIfNotNil(appDict, [[NSLocale currentLocale] localeIdentifier], @"locale");
+            BSGDictInsertIfNotNil(appDict, sysInfo[@"Apple"], @"manufacturer");
+            BSGDictInsertIfNotNil(appDict, sysInfo[@BSG_KSSystemField_Machine], @"model");
+            BSGDictInsertIfNotNil(appDict, sysInfo[@BSG_KSSystemField_Model], @"modelNumber");
+            BSGDictInsertIfNotNil(appDict, sysInfo[@BSG_KSSystemField_SystemName], @"osName");
+            BSGDictInsertIfNotNil(appDict, sysInfo[@BSG_KSSystemField_SystemVersion], @"osVersion");
+
+            bugsnagReport.app = appDict;
+            bugsnagReport.device = deviceDict;
+        }
+        
         if (![bugsnagReport shouldBeSent])
             continue;
         BOOL shouldSend = YES;
diff --git a/examples/objective-c-ios/Podfile.lock b/examples/objective-c-ios/Podfile.lock
index 8e05f7088..c36191120 100644
--- a/examples/objective-c-ios/Podfile.lock
+++ b/examples/objective-c-ios/Podfile.lock
@@ -1,5 +1,5 @@
 PODS:
-  - Bugsnag (5.15.0)
+  - Bugsnag (5.15.3)
 
 DEPENDENCIES:
   - Bugsnag (from `../..`)
@@ -9,8 +9,8 @@ EXTERNAL SOURCES:
     :path: ../..
 
 SPEC CHECKSUMS:
-  Bugsnag: d7958a4628b967d395a09f650732a234ee7de8c9
+  Bugsnag: 49464c6c2fb7a2eb5a66064586c64a6e23454c04
 
 PODFILE CHECKSUM: 4c48f26cc704429f747c4af7a40e026b20fdc83e
 
-COCOAPODS: 1.3.1
+COCOAPODS: 1.4.0