diff --git a/lib/ansible/modules/network/f5/bigip_sys_global.py b/lib/ansible/modules/network/f5/bigip_sys_global.py
index 15c576dcdb1..2219842a068 100644
--- a/lib/ansible/modules/network/f5/bigip_sys_global.py
+++ b/lib/ansible/modules/network/f5/bigip_sys_global.py
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
 #
-# Copyright (c) 2016 F5 Networks Inc.
+# Copyright: (c) 2016, F5 Networks Inc.
 # GNU General Public License v3.0 (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
 from __future__ import absolute_import, division, print_function
@@ -29,12 +29,12 @@ options:
         off a user that is logged on.
   gui_setup:
     description:
-      - C(enable) or C(disabled) the Setup utility in the browser-based
+      - C(yes) or C(no) the Setup utility in the browser-based
         Configuration utility.
     type: bool
   lcd_display:
     description:
-      - Specifies, when C(enabled), that the system menu displays on the
+      - Specifies, when C(yes), that the system menu displays on the
         LCD screen on the front of the unit. This setting has no effect
         when used on the VE platform.
     type: bool
@@ -45,14 +45,14 @@ options:
     type: bool
   net_reboot:
     description:
-      - Specifies, when C(enabled), that the next time you reboot the system,
+      - Specifies, when C(yes), that the next time you reboot the system,
         the system boots to an ISO image on the network, rather than an
         internal media drive.
     type: bool
   quiet_boot:
     description:
-      - Specifies, when C(enabled), that the system suppresses informational
-        text on the console during the boot cycle. When C(disabled), the
+      - Specifies, when C(yes), that the system suppresses informational
+        text on the console during the boot cycle. When C(no), the
         system presents messages and informational text on the console during
         the boot cycle.
     type: bool
@@ -69,20 +69,19 @@ options:
     choices:
       - present
 extends_documentation_fragment: f5
-requirements:
-  - f5-sdk
 author:
   - Tim Rupp (@caphrim007)
+  - Wojciech Wypior (@wojtek0806)
 '''
 
 EXAMPLES = r'''
 - name: Disable the setup utility
   bigip_sys_global:
     gui_setup: no
-    password: secret
-    server: lb.mydomain.com
-    user: admin
-    state: present
+    provider:
+      password: secret
+      server: lb.mydomain.com
+      user: admin
   delegate_to: localhost
 '''
 
@@ -102,67 +101,59 @@ console_timeout:
 gui_setup:
   description: The new setting for the Setup utility.
   returned: changed
-  type: string
+  type: bool
   sample: yes
 lcd_display:
   description: The new setting for displaying the system menu on the LCD.
   returned: changed
-  type: string
+  type: bool
   sample: yes
 mgmt_dhcp:
   description: The new setting for whether the mgmt interface should DHCP or not.
   returned: changed
-  type: string
+  type: bool
   sample: yes
 net_reboot:
   description: The new setting for whether the system should boot to an ISO on the network or not.
   returned: changed
-  type: string
+  type: bool
   sample: yes
 quiet_boot:
   description:
     - The new setting for whether the system should suppress information to
       the console during boot or not.
   returned: changed
-  type: string
+  type: bool
   sample: yes
 security_banner:
   description:
     - The new setting for whether the system should display an advisory message
       on the login screen or not.
   returned: changed
-  type: string
+  type: bool
   sample: yes
 '''
 
 from ansible.module_utils.basic import AnsibleModule
-from ansible.module_utils.parsing.convert_bool import BOOLEANS_TRUE
-from ansible.module_utils.parsing.convert_bool import BOOLEANS_FALSE
 
 try:
-    from library.module_utils.network.f5.bigip import HAS_F5SDK
-    from library.module_utils.network.f5.bigip import F5Client
+    from library.module_utils.network.f5.bigip import F5RestClient
     from library.module_utils.network.f5.common import F5ModuleError
     from library.module_utils.network.f5.common import AnsibleF5Parameters
     from library.module_utils.network.f5.common import cleanup_tokens
     from library.module_utils.network.f5.common import f5_argument_spec
-
-    try:
-        from library.module_utils.network.f5.common import iControlUnexpectedHTTPError
-    except ImportError:
-        HAS_F5SDK = False
+    from library.module_utils.network.f5.common import exit_json
+    from library.module_utils.network.f5.common import fail_json
+    from library.module_utils.network.f5.common import flatten_boolean
 except ImportError:
-    from ansible.module_utils.network.f5.bigip import HAS_F5SDK
-    from ansible.module_utils.network.f5.bigip import F5Client
+    from ansible.module_utils.network.f5.bigip import F5RestClient
     from ansible.module_utils.network.f5.common import F5ModuleError
     from ansible.module_utils.network.f5.common import AnsibleF5Parameters
     from ansible.module_utils.network.f5.common import cleanup_tokens
     from ansible.module_utils.network.f5.common import f5_argument_spec
-
-    try:
-        from ansible.module_utils.network.f5.common import iControlUnexpectedHTTPError
-    except ImportError:
-        HAS_F5SDK = False
+    from ansible.module_utils.network.f5.common import exit_json
+    from ansible.module_utils.network.f5.common import fail_json
+    from ansible.module_utils.network.f5.common import flatten_boolean
 
 
 class Parameters(AnsibleF5Parameters):
@@ -174,80 +165,73 @@ class Parameters(AnsibleF5Parameters):
         'mgmtDhcp': 'mgmt_dhcp',
         'netReboot': 'net_reboot',
         'quietBoot': 'quiet_boot',
-        'consoleInactivityTimeout': 'console_timeout'
+        'consoleInactivityTimeout': 'console_timeout',
     }
 
     api_attributes = [
-        'guiSecurityBanner', 'guiSecurityBannerText', 'guiSetup', 'lcdDisplay',
-        'mgmtDhcp', 'netReboot', 'quietBoot', 'consoleInactivityTimeout'
+        'guiSecurityBanner',
+        'guiSecurityBannerText',
+        'guiSetup',
+        'lcdDisplay',
+        'mgmtDhcp',
+        'netReboot',
+        'quietBoot',
+        'consoleInactivityTimeout',
     ]
 
     returnables = [
-        'security_banner', 'banner_text', 'gui_setup', 'lcd_display',
-        'mgmt_dhcp', 'net_reboot', 'quiet_boot', 'console_timeout'
+        'security_banner',
+        'banner_text',
+        'gui_setup',
+        'lcd_display',
+        'mgmt_dhcp',
+        'net_reboot',
+        'quiet_boot',
+        'console_timeout',
     ]
 
     updatables = [
-        'security_banner', 'banner_text', 'gui_setup', 'lcd_display',
-        'mgmt_dhcp', 'net_reboot', 'quiet_boot', 'console_timeout'
+        'security_banner',
+        'banner_text',
+        'gui_setup',
+        'lcd_display',
+        'mgmt_dhcp',
+        'net_reboot',
+        'quiet_boot',
+        'console_timeout',
     ]
 
+    @property
+    def security_banner(self):
+        return flatten_boolean(self._values['security_banner'])
+
+    @property
+    def gui_setup(self):
+        return flatten_boolean(self._values['gui_setup'])
+
+    @property
+    def lcd_display(self):
+        return flatten_boolean(self._values['lcd_display'])
+
+    @property
+    def mgmt_dhcp(self):
+        return flatten_boolean(self._values['mgmt_dhcp'])
+
+    @property
+    def net_reboot(self):
+        return flatten_boolean(self._values['net_reboot'])
+
+    @property
+    def quiet_boot(self):
+        return flatten_boolean(self._values['quiet_boot'])
+
 
 class ApiParameters(Parameters):
     pass
 
 
 class ModuleParameters(Parameters):
-    def _get_boolean_like_return_value(self, parameter):
-        if self._values[parameter] is None:
-            return None
-        elif self._values[parameter] in ['enabled', 'disabled']:
-            self._values['__warnings'].append(
-                dict(version='2.5', msg='enabled/disabled are deprecated. Use boolean values (true, yes, no, 1, 0) instead.')
-            )
-        true = list(BOOLEANS_TRUE) + ['True']
-        false = list(BOOLEANS_FALSE) + ['False']
-        if self._values[parameter] in true:
-            return 'enabled'
-        if self._values[parameter] in false:
-            return 'disabled'
-        else:
-            return str(self._values[parameter])
-
-    @property
-    def security_banner(self):
-        result = self._get_boolean_like_return_value('security_banner')
-        return result
-
-    @property
-    def gui_setup(self):
-        result = self._get_boolean_like_return_value('gui_setup')
-        return result
-
-    @property
-    def banner_text(self):
-        result = self._get_boolean_like_return_value('banner_text')
-        return result
-
-    @property
-    def lcd_display(self):
-        result = self._get_boolean_like_return_value('lcd_display')
-        return result
-
-    @property
-    def mgmt_dhcp(self):
-        result = self._get_boolean_like_return_value('mgmt_dhcp')
-        return result
-
-    @property
-    def net_reboot(self):
-        result = self._get_boolean_like_return_value('net_reboot')
-        return result
-
-    @property
-    def quiet_boot(self):
-        result = self._get_boolean_like_return_value('quiet_boot')
-        return result
+    pass
 
 
 class Changes(Parameters):
@@ -263,11 +247,79 @@ class Changes(Parameters):
 
 
 class UsableChanges(Changes):
-    pass
+    @property
+    def security_banner(self):
+        if self._values['security_banner'] is None:
+            return None
+        if self._values['security_banner'] == 'yes':
+            return 'enabled'
+        return 'disabled'
+
+    @property
+    def gui_setup(self):
+        if self._values['gui_setup'] is None:
+            return None
+        if self._values['gui_setup'] == 'yes':
+            return 'enabled'
+        return 'disabled'
+
+    @property
+    def lcd_display(self):
+        if self._values['lcd_display'] is None:
+            return None
+        if self._values['lcd_display'] == 'yes':
+            return 'enabled'
+        return 'disabled'
+
+    @property
+    def mgmt_dhcp(self):
+        if self._values['mgmt_dhcp'] is None:
+            return None
+        if self._values['mgmt_dhcp'] == 'yes':
+            return 'enabled'
+        return 'disabled'
+
+    @property
+    def net_reboot(self):
+        if self._values['net_reboot'] is None:
+            return None
+        if self._values['net_reboot'] == 'yes':
+            return 'enabled'
+        return 'disabled'
+
+    @property
+    def quiet_boot(self):
+        if self._values['quiet_boot'] is None:
+            return None
+        if self._values['quiet_boot'] == 'yes':
+            return 'enabled'
+        return 'disabled'
 
 
 class ReportableChanges(Changes):
-    pass
+    @property
+    def security_banner(self):
+        return flatten_boolean(self._values['security_banner'])
+
+    @property
+    def gui_setup(self):
+        return flatten_boolean(self._values['gui_setup'])
+
+    @property
+    def lcd_display(self):
+        return flatten_boolean(self._values['lcd_display'])
+
+    @property
+    def mgmt_dhcp(self):
+        return flatten_boolean(self._values['mgmt_dhcp'])
+
+    @property
+    def net_reboot(self):
+        return flatten_boolean(self._values['net_reboot'])
+
+    @property
+    def quiet_boot(self):
+        return flatten_boolean(self._values['quiet_boot'])
 
 
 class Difference(object):
@@ -283,13 +335,13 @@ class Difference(object):
             return self.__default(param)
 
     def __default(self, param):
-        attr1 = getattr(self.want, param)
+        want = getattr(self.want, param)
         try:
-            attr2 = getattr(self.have, param)
-            if attr1 != attr2:
-                return attr1
+            have = getattr(self.have, param)
+            if want != have:
+                return want
         except AttributeError:
-            return attr1
+            return want
 
 
 class ModuleManager(object):
@@ -335,10 +387,7 @@ class ModuleManager(object):
     def exec_module(self):
         result = dict()
 
-        try:
-            changed = self.present()
-        except iControlUnexpectedHTTPError as e:
-            raise F5ModuleError(str(e))
+        changed = self.present()
 
         reportable = ReportableChanges(params=self.changes.to_return())
         changes = reportable.to_return()
@@ -358,11 +407,6 @@ class ModuleManager(object):
     def present(self):
         return self.update()
 
-    def read_current_from_device(self):
-        resource = self.client.api.tm.sys.global_settings.load()
-        result = resource.attrs
-        return ApiParameters(params=result)
-
     def update(self):
         self.have = self.read_current_from_device()
         if not self.should_update():
@@ -372,10 +416,41 @@ class ModuleManager(object):
         self.update_on_device()
         return True
 
+    def read_current_from_device(self):
+        uri = "https://{0}:{1}/mgmt/tm/sys/global-settings/".format(
+            self.client.provider['server'],
+            self.client.provider['server_port'],
+        )
+        resp = self.client.api.get(uri)
+        try:
+            response = resp.json()
+        except ValueError as ex:
+            raise F5ModuleError(str(ex))
+
+        if 'code' in response and response['code'] == 400:
+            if 'message' in response:
+                raise F5ModuleError(response['message'])
+            else:
+                raise F5ModuleError(resp.content)
+        return ApiParameters(params=response)
+
     def update_on_device(self):
-        params = self.want.api_params()
-        resource = self.client.api.tm.sys.global_settings.load()
-        resource.modify(**params)
+        params = self.changes.api_params()
+        uri = "https://{0}:{1}/mgmt/tm/sys/global-settings/".format(
+            self.client.provider['server'],
+            self.client.provider['server_port'],
+        )
+        resp = self.client.api.patch(uri, json=params)
+        try:
+            response = resp.json()
+        except ValueError as ex:
+            raise F5ModuleError(str(ex))
+
+        if 'code' in response and response['code'] == 400:
+            if 'message' in response:
+                raise F5ModuleError(response['message'])
+            else:
+                raise F5ModuleError(resp.content)
 
 
 class ArgumentSpec(object):
@@ -402,8 +477,12 @@ class ArgumentSpec(object):
             quiet_boot=dict(
                 type='bool'
             ),
-            console_timeout=dict(required=False, type='int', default=None),
-            state=dict(default='present', choices=['present'])
+            console_timeout=dict(
+                type='int'
+            ),
+            state=dict(
+                default='present', choices=['present']
+            )
         )
         self.argument_spec = {}
         self.argument_spec.update(f5_argument_spec)
@@ -417,18 +496,17 @@ def main():
         argument_spec=spec.argument_spec,
         supports_check_mode=spec.supports_check_mode
     )
-    if not HAS_F5SDK:
-        module.fail_json(msg="The python f5-sdk module is required")
+
+    client = F5RestClient(**module.params)
 
     try:
-        client = F5Client(**module.params)
         mm = ModuleManager(module=module, client=client)
         results = mm.exec_module()
         cleanup_tokens(client)
-        module.exit_json(**results)
+        exit_json(module, results, client)
     except F5ModuleError as ex:
         cleanup_tokens(client)
-        module.fail_json(msg=str(ex))
+        fail_json(module, ex, client)
 
 
 if __name__ == '__main__':
diff --git a/test/units/modules/network/f5/test_bigip_sys_global.py b/test/units/modules/network/f5/test_bigip_sys_global.py
index c99b81995ae..6c5bc9377f3 100644
--- a/test/units/modules/network/f5/test_bigip_sys_global.py
+++ b/test/units/modules/network/f5/test_bigip_sys_global.py
@@ -14,9 +14,6 @@ from nose.plugins.skip import SkipTest
 if sys.version_info < (2, 7):
     raise SkipTest("F5 Ansible modules require Python >= 2.7")
 
-from units.compat import unittest
-from units.compat.mock import Mock
-from units.compat.mock import patch
 from ansible.module_utils.basic import AnsibleModule
 
 try:
@@ -24,17 +21,25 @@ try:
     from library.modules.bigip_sys_global import ModuleParameters
     from library.modules.bigip_sys_global import ModuleManager
     from library.modules.bigip_sys_global import ArgumentSpec
-    from library.module_utils.network.f5.common import F5ModuleError
-    from library.module_utils.network.f5.common import iControlUnexpectedHTTPError
-    from test.unit.modules.utils import set_module_args
+
+    # In Ansible 2.8, Ansible changed import paths.
+    from test.units.compat import unittest
+    from test.units.compat.mock import Mock
+    from test.units.compat.mock import patch
+
+    from test.units.modules.utils import set_module_args
 except ImportError:
     try:
         from ansible.modules.network.f5.bigip_sys_global import ApiParameters
         from ansible.modules.network.f5.bigip_sys_global import ModuleParameters
         from ansible.modules.network.f5.bigip_sys_global import ModuleManager
         from ansible.modules.network.f5.bigip_sys_global import ArgumentSpec
-        from ansible.module_utils.network.f5.common import F5ModuleError
-        from ansible.module_utils.network.f5.common import iControlUnexpectedHTTPError
+
+        # Ansible 2.8 imports
+        from units.compat import unittest
+        from units.compat.mock import Mock
+        from units.compat.mock import patch
+
         from units.modules.utils import set_module_args
     except ImportError:
         raise SkipTest("F5 Ansible modules require the f5-sdk Python library")
@@ -76,24 +81,24 @@ class TestParameters(unittest.TestCase):
         p = ModuleParameters(params=args)
         assert p.banner_text == 'this is a banner'
         assert p.console_timeout == 100
-        assert p.gui_setup == 'enabled'
-        assert p.lcd_display == 'enabled'
-        assert p.mgmt_dhcp == 'enabled'
-        assert p.net_reboot == 'enabled'
-        assert p.quiet_boot == 'enabled'
-        assert p.security_banner == 'enabled'
+        assert p.gui_setup == 'yes'
+        assert p.lcd_display == 'yes'
+        assert p.mgmt_dhcp == 'yes'
+        assert p.net_reboot == 'yes'
+        assert p.quiet_boot == 'yes'
+        assert p.security_banner == 'yes'
 
     def test_api_parameters(self):
         args = load_fixture('load_sys_global_settings.json')
         p = ApiParameters(params=args)
         assert 'Welcome to the BIG-IP Configuration Utility' in p.banner_text
         assert p.console_timeout == 0
-        assert p.gui_setup == 'disabled'
-        assert p.lcd_display == 'enabled'
-        assert p.mgmt_dhcp == 'enabled'
-        assert p.net_reboot == 'disabled'
-        assert p.quiet_boot == 'enabled'
-        assert p.security_banner == 'enabled'
+        assert p.gui_setup == 'no'
+        assert p.lcd_display == 'yes'
+        assert p.mgmt_dhcp == 'yes'
+        assert p.net_reboot == 'no'
+        assert p.quiet_boot == 'yes'
+        assert p.security_banner == 'yes'
 
 
 class TestManager(unittest.TestCase):