diff --git a/core/src/apps/cardano/layout.py b/core/src/apps/cardano/layout.py
index 5e49a42a9..6e044c87e 100644
--- a/core/src/apps/cardano/layout.py
+++ b/core/src/apps/cardano/layout.py
@@ -53,15 +53,15 @@ def format_coin_amount(amount: int) -> str:
 
 
 async def confirm_sending(ctx: wire.Context, amount: int, to: str):
-    t1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t1.normal("Confirm sending:")
-    t1.bold(format_coin_amount(amount))
-    t1.normal("to")
+    page1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page1.normal("Confirm sending:")
+    page1.bold(format_coin_amount(amount))
+    page1.normal("to")
 
     to_lines = list(chunks(to, 17))
-    t1.bold(to_lines[0])
+    page1.bold(to_lines[0])
 
-    pages = [t1] + _paginate_lines(to_lines, 1, "Confirm transaction", ui.ICON_SEND)
+    pages = [page1] + _paginate_lines(to_lines, 1, "Confirm transaction", ui.ICON_SEND)
 
     await require_confirm(ctx, Paginated(pages))
 
@@ -69,89 +69,89 @@ async def confirm_sending(ctx: wire.Context, amount: int, to: str):
 async def show_warning_tx_no_staking_info(
     ctx: wire.Context, address_type: EnumTypeCardanoAddressType, amount: int
 ):
-    t1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t1.normal("Change " + ADDRESS_TYPE_NAMES[address_type].lower())
-    t1.normal("address has no stake")
-    t1.normal("rights.")
-    t1.normal("Change amount:")
-    t1.bold(format_coin_amount(amount))
+    page1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page1.normal("Change " + ADDRESS_TYPE_NAMES[address_type].lower())
+    page1.normal("address has no stake")
+    page1.normal("rights.")
+    page1.normal("Change amount:")
+    page1.bold(format_coin_amount(amount))
 
-    await require_confirm(ctx, t1)
+    await require_confirm(ctx, page1)
 
 
 async def show_warning_tx_pointer_address(
     ctx: wire.Context, pointer: CardanoBlockchainPointerType, amount: int,
 ):
-    t1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t1.normal("Change address has a")
-    t1.normal("pointer with staking")
-    t1.normal("rights.")
-
-    t2 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t2.normal("Pointer:")
-    t2.bold(
+    page1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page1.normal("Change address has a")
+    page1.normal("pointer with staking")
+    page1.normal("rights.")
+
+    page2 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page2.normal("Pointer:")
+    page2.bold(
         "%s, %s, %s"
         % (pointer.block_index, pointer.tx_index, pointer.certificate_index)
     )
-    t2.normal("Change amount:")
-    t2.bold(format_coin_amount(amount))
+    page2.normal("Change amount:")
+    page2.bold(format_coin_amount(amount))
 
-    await require_confirm(ctx, Paginated([t1, t2]))
+    await require_confirm(ctx, Paginated([page1, page2]))
 
 
 async def show_warning_tx_different_staking_account(
     ctx: wire.Context, staking_account_path: List[int], amount: int,
 ):
-    t1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t1.normal("Change address staking")
-    t1.normal("rights do not match")
-    t1.normal("the current account.")
+    page1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page1.normal("Change address staking")
+    page1.normal("rights do not match")
+    page1.normal("the current account.")
 
-    t2 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t2.normal("Staking account:")
-    t2.bold(address_n_to_str(staking_account_path))
-    t2.normal("Change amount:")
-    t2.bold(format_coin_amount(amount))
+    page2 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page2.normal("Staking account:")
+    page2.bold(address_n_to_str(staking_account_path))
+    page2.normal("Change amount:")
+    page2.bold(format_coin_amount(amount))
 
-    await require_confirm(ctx, Paginated([t1, t2]))
+    await require_confirm(ctx, Paginated([page1, page2]))
 
 
 async def show_warning_tx_staking_key_hash(
     ctx: wire.Context, staking_key_hash: bytes, amount: int,
 ):
-    t1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t1.normal("Change address staking")
-    t1.normal("rights do not match")
-    t1.normal("the current account.")
+    page1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page1.normal("Change address staking")
+    page1.normal("rights do not match")
+    page1.normal("the current account.")
 
-    t2 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t2.normal("Staking key hash:")
-    t2.mono(*chunks(hexlify(staking_key_hash), 17))
+    page2 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page2.normal("Staking key hash:")
+    page2.mono(*chunks(hexlify(staking_key_hash), 17))
 
-    t3 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t3.normal("Change amount:")
-    t3.bold(format_coin_amount(amount))
+    page3 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page3.normal("Change amount:")
+    page3.bold(format_coin_amount(amount))
 
-    await require_confirm(ctx, Paginated([t1, t2, t3]))
+    await require_confirm(ctx, Paginated([page1, page2, page3]))
 
 
 async def confirm_transaction(
     ctx, amount: int, fee: int, protocol_magic: int, has_metadata: bool
 ) -> None:
-    t1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t1.normal("Transaction amount:")
-    t1.bold(format_coin_amount(amount))
-    t1.normal("Transaction fee:")
-    t1.bold(format_coin_amount(fee))
-
-    t2 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t2.normal("Network:")
-    t2.bold(protocol_magics.to_ui_string(protocol_magic))
+    page1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page1.normal("Transaction amount:")
+    page1.bold(format_coin_amount(amount))
+    page1.normal("Transaction fee:")
+    page1.bold(format_coin_amount(fee))
+
+    page2 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page2.normal("Network:")
+    page2.bold(protocol_magics.to_ui_string(protocol_magic))
     if has_metadata:
-        t2.normal("Transaction contains")
-        t2.normal("metadata")
+        page2.normal("Transaction contains")
+        page2.normal("metadata")
 
-    await require_hold_to_confirm(ctx, Paginated([t1, t2]))
+    await require_hold_to_confirm(ctx, Paginated([page1, page2]))
 
 
 async def confirm_certificate(
@@ -159,18 +159,18 @@ async def confirm_certificate(
 ) -> bool:
     pages = []
 
-    t1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t1.normal("Confirm:")
-    t1.bold(CERTIFICATE_TYPE_NAMES[certificate.type])
-    t1.normal("for account:")
-    t1.bold(address_n_to_str(to_account_path(certificate.path)))
-    pages.append(t1)
+    page1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page1.normal("Confirm:")
+    page1.bold(CERTIFICATE_TYPE_NAMES[certificate.type])
+    page1.normal("for account:")
+    page1.bold(address_n_to_str(to_account_path(certificate.path)))
+    pages.append(page1)
 
     if certificate.type == CardanoCertificateType.STAKE_DELEGATION:
-        t2 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-        t2.normal("to pool:")
-        t2.bold(hexlify(certificate.pool).decode())
-        pages.append(t2)
+        page2 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+        page2.normal("to pool:")
+        page2.bold(hexlify(certificate.pool).decode())
+        pages.append(page2)
 
     await require_confirm(ctx, Paginated(pages))
 
@@ -178,14 +178,14 @@ async def confirm_certificate(
 async def confirm_withdrawal(
     ctx: wire.Context, withdrawal: CardanoTxWithdrawalType
 ) -> bool:
-    t1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
-    t1.normal("Confirm withdrawal")
-    t1.normal("for account:")
-    t1.bold(address_n_to_str(to_account_path(withdrawal.path)))
-    t1.normal("Amount:")
-    t1.bold(format_coin_amount(withdrawal.amount))
+    page1 = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
+    page1.normal("Confirm withdrawal")
+    page1.normal("for account:")
+    page1.bold(address_n_to_str(to_account_path(withdrawal.path)))
+    page1.normal("Amount:")
+    page1.bold(format_coin_amount(withdrawal.amount))
 
-    await require_confirm(ctx, t1)
+    await require_confirm(ctx, page1)
 
 
 async def show_address(
@@ -201,18 +201,18 @@ async def show_address(
     """
 
     address_type_label = "%s address" % ADDRESS_TYPE_NAMES[address_type]
-    t1 = Text(address_type_label, ui.ICON_RECEIVE, ui.GREEN)
+    page1 = Text(address_type_label, ui.ICON_RECEIVE, ui.GREEN)
 
     lines_per_page = 5
     lines_used_on_first_page = 0
 
     # assemble first page to be displayed (path + network + whatever part of the address fits)
     if network is not None:
-        t1.normal("%s network" % network)
+        page1.normal("%s network" % network)
         lines_used_on_first_page += 1
 
     path_str = address_n_to_str(path)
-    t1.mono(path_str)
+    page1.mono(path_str)
     lines_used_on_first_page = min(
         lines_used_on_first_page + math.ceil(len(path_str) / _MAX_MONO_LINE),
         lines_per_page,
@@ -220,10 +220,10 @@ async def show_address(
 
     address_lines = list(chunks(address, 17))
     for address_line in address_lines[: lines_per_page - lines_used_on_first_page]:
-        t1.bold(address_line)
+        page1.bold(address_line)
 
     # append remaining pages containing the rest of the address
-    pages = [t1] + _paginate_lines(
+    pages = [page1] + _paginate_lines(
         address_lines,
         lines_per_page - lines_used_on_first_page,
         address_type_label,