diff --git a/adb.py b/adb.py
index 2a99cc1..ae53ce3 100644
--- a/adb.py
+++ b/adb.py
@@ -153,12 +153,12 @@ fi'''
         if remote_type != "na":
             if remote_type == "directory" and not remote.endswith('/'):
                 remote += '/'
-            flag = False
+            merge_flag = False
             if os.path.exists(local):
                 last = os.path.split(local)[-1]
                 real_dir = local
                 local = os.path.join(defaults['local']['temp'],last)
-                flag = True
+                merge_flag = True
             try:
                 self.adb("pull","-a",remote,local)
             except subprocess.CalledProcessError as e:
@@ -166,7 +166,7 @@ fi'''
                     pass
                 else:
                     raise e
-            if flag:
+            if merge_flag:
                 merge(local,real_dir)
                 if os.path.exists(local) and del_duplicates:
                     shutil.rmtree(local)
@@ -201,7 +201,7 @@ fi'''
         while True:
             infos = get_info()
             if len(infos) > 0:
-                self.__dict__.update(get_info()[self.serial])
+                self.__dict__.update(infos[self.serial])
                 break
             time.sleep(1)
 
@@ -224,6 +224,8 @@ fi'''
 
 #twrp
     def backup(self,*partitions,name = None):
+        if self.mode != 'recovery':
+            self.reboot('recovery')
         backupdir = defaults['local']['TWRP']
         options_dict = {
             "system": "S",
@@ -247,11 +249,13 @@ fi'''
         self.move(phone_dir,filename)
 
     def wipe(self,partition):
+        if self.mode != 'recovery':
+            self.reboot('recovery')
         self.shell("twrp","wipe",partition)
 
-
-
     def install(self,name):
+        if self.mode != 'recovery':
+            self.reboot('recovery')
         if os.path.exists(name):
             local_name = name
             name = os.path.split(name)[-1]