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-rw-r--r--doc/unattended-lte-firmware-upgrade.md6
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/unattended-lte-firmware-upgrade.md b/doc/unattended-lte-firmware-upgrade.md
index 63f2793..8bc9e71 100644
--- a/doc/unattended-lte-firmware-upgrade.md
+++ b/doc/unattended-lte-firmware-upgrade.md
@@ -1,7 +1,7 @@
Install LTE firmware upgrade
============================
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
Description
-----------
@@ -42,5 +42,5 @@ See also
* [Notify on LTE firmware upgrade](check-lte-firmware-upgrade.md)
---
-[◀ Go back to main README](../README.md)
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)
+[⬆️ Go back to top](#top)