diff --git a/package-lock.json b/package-lock.json
index 44f1a35f..b3c2989a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.24.1",
       "license": "BSD-3-Clause",
       "dependencies": {
-        "@ethersphere/bee-js": "^6.6.0",
+        "@ethersphere/bee-js": "^6.7.0",
         "@ethersphere/swarm-cid": "^0.1.0",
         "@material-ui/core": "4.12.3",
         "@material-ui/icons": "4.11.2",
@@ -2440,9 +2440,9 @@
       }
     },
     "node_modules/@ethersphere/bee-js": {
-      "version": "6.6.0",
-      "resolved": "https://registry.npmjs.org/@ethersphere/bee-js/-/bee-js-6.6.0.tgz",
-      "integrity": "sha512-f39yEbkCX7mnKSn0x9cV2TAlnMiemiJCiTVLhS6+g7nMbud1r269gzEHopElDaP5VJIsJy1uwD0VN4+HxIp3bg==",
+      "version": "6.7.0",
+      "resolved": "https://registry.npmjs.org/@ethersphere/bee-js/-/bee-js-6.7.0.tgz",
+      "integrity": "sha512-t1bsUj9BmICuRL6XENTVyZZCfkFuCjc6pQxOekuVFLBd0Qpmyf87iRpVizvZN5IKhVqqw9xCzkg8otJKQdAKNA==",
       "dependencies": {
         "@ethersphere/swarm-cid": "^0.1.0",
         "@types/readable-stream": "^2.3.13",
@@ -22305,9 +22305,9 @@
       }
     },
     "@ethersphere/bee-js": {
-      "version": "6.6.0",
-      "resolved": "https://registry.npmjs.org/@ethersphere/bee-js/-/bee-js-6.6.0.tgz",
-      "integrity": "sha512-f39yEbkCX7mnKSn0x9cV2TAlnMiemiJCiTVLhS6+g7nMbud1r269gzEHopElDaP5VJIsJy1uwD0VN4+HxIp3bg==",
+      "version": "6.7.0",
+      "resolved": "https://registry.npmjs.org/@ethersphere/bee-js/-/bee-js-6.7.0.tgz",
+      "integrity": "sha512-t1bsUj9BmICuRL6XENTVyZZCfkFuCjc6pQxOekuVFLBd0Qpmyf87iRpVizvZN5IKhVqqw9xCzkg8otJKQdAKNA==",
       "requires": {
         "@ethersphere/swarm-cid": "^0.1.0",
         "@types/readable-stream": "^2.3.13",
diff --git a/package.json b/package.json
index 2e1cdd2a..134b5f4c 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "url": "https://github.com/ethersphere/bee-dashboard.git"
   },
   "dependencies": {
-    "@ethersphere/bee-js": "^6.6.0",
+    "@ethersphere/bee-js": "^6.7.0",
     "@ethersphere/swarm-cid": "^0.1.0",
     "@material-ui/core": "4.12.3",
     "@material-ui/icons": "4.11.2",
diff --git a/src/pages/stamps/PostageStampAdvancedCreation.tsx b/src/pages/stamps/PostageStampAdvancedCreation.tsx
index 971ed150..3ac52de6 100644
--- a/src/pages/stamps/PostageStampAdvancedCreation.tsx
+++ b/src/pages/stamps/PostageStampAdvancedCreation.tsx
@@ -1,9 +1,9 @@
 import { PostageBatchOptions } from '@ethersphere/bee-js'
-import { Box, Grid, Typography } from '@material-ui/core'
-import { createStyles, makeStyles, Theme } from '@material-ui/core/styles'
+import { Box, Grid, Typography, createStyles, makeStyles } from '@material-ui/core'
 import BigNumber from 'bignumber.js'
 import { useSnackbar } from 'notistack'
 import { ReactElement, useContext, useState } from 'react'
+import { Link } from 'react-router-dom'
 import Check from 'remixicon-react/CheckLineIcon'
 import { SwarmButton } from '../../components/SwarmButton'
 import { SwarmSelect } from '../../components/SwarmSelect'
@@ -11,6 +11,7 @@ import { SwarmTextInput } from '../../components/SwarmTextInput'
 import { Context as BeeContext } from '../../providers/Bee'
 import { Context as SettingsContext } from '../../providers/Settings'
 import { Context as StampsContext } from '../../providers/Stamps'
+import { ROUTES } from '../../routes'
 import {
   calculateStampPrice,
   convertAmountToSeconds,
@@ -19,14 +20,12 @@ import {
   waitUntilStampExists,
 } from '../../utils'
 import { getHumanReadableFileSize } from '../../utils/file'
-import { Link } from 'react-router-dom'
-import { ROUTES } from '../../routes'
 
 interface Props {
   onFinished: () => void
 }
 
-const useStyles = makeStyles((theme: Theme) =>
+const useStyles = makeStyles(() =>
   createStyles({
     link: {
       color: '#dd7700',
@@ -174,25 +173,22 @@ export function PostageStampAdvancedCreation({ onFinished }: Props): ReactElemen
 
   return (
     <>
-      <Box mb={1}>
-        <Typography variant="h2">Batch name</Typography>
-      </Box>
-      <Box mb={2}>
-        <SwarmTextInput name="label" label="Label" optional onChange={event => setLabelInput(event.target.value)} />
-      </Box>
-      <Box mb={2}>
-        <SwarmSelect
-          label="Immutable"
-          defaultValue="No"
-          onChange={event => setImmutable(event.target.value === 'Yes')}
-          options={[
-            { value: 'Yes', label: 'Yes' },
-            { value: 'No', label: 'No' },
-          ]}
-        />
+      <Box mb={4}>
+        <Typography>
+          To upload data to Swarm network, you will need to purchase a postage stamp. If you&apos;re not familiar with
+          this, please read{' '}
+          <a
+            href="https://medium.com/ethereum-swarm/how-to-upload-data-to-the-swarm-network-c0766c3ae381"
+            target="_blank"
+            rel="noreferrer"
+          >
+            this guide
+          </a>
+          .
+        </Typography>
       </Box>
       <Box mb={2}>
-        <SwarmTextInput name="depth" label="Batch depth" onChange={event => validateDepthInput(event.target.value)} />
+        <SwarmTextInput name="depth" label="Depth" onChange={event => validateDepthInput(event.target.value)} />
         <Box mt={0.25} sx={{ bgcolor: '#f6f6f6' }} p={2}>
           <Grid container justifyContent="space-between">
             <Typography>Corresponding file size</Typography>
@@ -209,14 +205,38 @@ export function PostageStampAdvancedCreation({ onFinished }: Props): ReactElemen
             <Typography>{!amountError && amountInput ? getTtl(Number.parseInt(amountInput, 10)) : '-'}</Typography>
           </Grid>
         </Box>
-        <Box display="flex" justifyContent={'right'} mt={0.5}>
-          <Typography style={{ fontSize: '10px', color: 'rgba(0, 0, 0, 0.26)' }}>
-            Current price of 24000 per block
-          </Typography>
-        </Box>
         {amountError && <Typography>{amountError}</Typography>}
       </Box>
-
+      <Box mb={2}>
+        <SwarmTextInput name="label" label="Label" optional onChange={event => setLabelInput(event.target.value)} />
+      </Box>
+      <Box mb={2}>
+        <SwarmSelect
+          label="Immutable"
+          defaultValue="No"
+          onChange={event => setImmutable(event.target.value === 'Yes')}
+          options={[
+            { value: 'Yes', label: 'Yes' },
+            { value: 'No', label: 'No' },
+          ]}
+        />
+        <Box mt={0.25} sx={{ bgcolor: '#f6f6f6' }} p={2}>
+          <Grid container justifyContent="space-between">
+            {immutable && (
+              <Typography>
+                Once an immutable stamp is maxed out, it disallows further content uploads, thereby safeguarding your
+                previously uploaded content from unintentional overwriting.
+              </Typography>
+            )}
+            {!immutable && (
+              <Typography>
+                When a mutable stamp reaches full capacity, it still permits new content uploads. However, this comes
+                with the caveat of overwriting previously uploaded content associated with the same stamp.
+              </Typography>
+            )}
+          </Grid>
+        </Box>
+      </Box>
       <Box mb={4} sx={{ bgcolor: '#fcf2e8' }} p={2}>
         <Grid container justifyContent="space-between">
           <Typography>Indicative Price</Typography>
diff --git a/src/pages/stamps/PostageStampStandardCreation.tsx b/src/pages/stamps/PostageStampStandardCreation.tsx
index ed68333f..e3c2d431 100644
--- a/src/pages/stamps/PostageStampStandardCreation.tsx
+++ b/src/pages/stamps/PostageStampStandardCreation.tsx
@@ -1,15 +1,14 @@
-import { PostageBatchOptions } from '@ethersphere/bee-js'
-import { Utils } from '@ethersphere/bee-js'
+import { PostageBatchOptions, Utils } from '@ethersphere/bee-js'
 import { Box, Button, Grid, Slider, Typography } from '@material-ui/core'
-import { createStyles, makeStyles, Theme } from '@material-ui/core/styles'
+import { Theme, createStyles, makeStyles } from '@material-ui/core/styles'
 import { useSnackbar } from 'notistack'
 import { ReactElement, useContext, useState } from 'react'
+import { Link } from 'react-router-dom'
 import Check from 'remixicon-react/CheckLineIcon'
 import { SwarmButton } from '../../components/SwarmButton'
 import { SwarmTextInput } from '../../components/SwarmTextInput'
 import { Context as SettingsContext } from '../../providers/Settings'
 import { Context as StampsContext } from '../../providers/Stamps'
-import { Link } from 'react-router-dom'
 import { ROUTES } from '../../routes'
 import { calculateStampPrice, convertAmountToSeconds, secondsToTimeString, waitUntilStampExists } from '../../utils'
 
@@ -43,30 +42,31 @@ const marks = [
 ]
 
 export function PostageStampStandardCreation({ onFinished }: Props): ReactElement {
-  const getDepthForCapacity = Utils.getDepthForCapacity
-  const getAmountForTtl = Utils.getAmountForTtl
   const classes = useStyles()
   const { refresh } = useContext(StampsContext)
   const { beeDebugApi } = useContext(SettingsContext)
 
-  const [depthInput, setDepthInput] = useState<number>(getDepthForCapacity(4))
-  const [amountInput, setAmountInput] = useState<number>(Number.parseInt(getAmountForTtl(30)))
+  const [depthInput, setDepthInput] = useState<number>(Utils.getDepthForCapacity(4))
+  const [amountInput, setAmountInput] = useState<string>(Utils.getAmountForTtl(30))
   const [labelInput, setLabelInput] = useState('')
   const [submitting, setSubmitting] = useState(false)
   const [buttonValue, setButtonValue] = useState(4)
 
-  function sliderValueChange(event: any, newValue: any) {
-    const amountValue = Number.parseInt(getAmountForTtl(newValue))
+  function sliderValueChange(_: unknown, newValue: number | number[]) {
+    if (typeof newValue !== 'number') {
+      return
+    }
+    const amountValue = Utils.getAmountForTtl(newValue)
     setAmountInput(amountValue)
   }
 
   const { enqueueSnackbar } = useSnackbar()
 
-  function getTtl(amount: number): string {
+  function getTtl(amount: string): string {
     const pricePerBlock = 24000
 
     return `${secondsToTimeString(
-      convertAmountToSeconds(amount, pricePerBlock),
+      convertAmountToSeconds(parseInt(amount, 10), pricePerBlock),
     )} (with price of ${pricePerBlock.toFixed(0)} per block)`
   }
 
@@ -93,7 +93,7 @@ export function PostageStampStandardCreation({ onFinished }: Props): ReactElemen
       const options: PostageBatchOptions = {
         waitForUsable: false,
         label: labelInput || undefined,
-        immutableFlag: false,
+        immutableFlag: true,
       }
 
       const batchId = await beeDebugApi.createPostageBatch(amount.toString(), depth, options)
@@ -107,11 +107,9 @@ export function PostageStampStandardCreation({ onFinished }: Props): ReactElemen
     setSubmitting(false)
   }
 
-  function handleBatchSize(event: any) {
-    let value = event.target.innerText
-    value = Number(value.substring(0, value.length - 3))
-    setButtonValue(value)
-    const capacity = getDepthForCapacity(value)
+  function handleBatchSize(gigabytes: number) {
+    setButtonValue(gigabytes)
+    const capacity = Utils.getDepthForCapacity(gigabytes)
     setDepthInput(capacity)
   }
 
@@ -146,7 +144,7 @@ export function PostageStampStandardCreation({ onFinished }: Props): ReactElemen
             <Button
               variant="contained"
               fullWidth
-              onClick={handleBatchSize}
+              onClick={() => handleBatchSize(4)}
               className={buttonValue === 4 ? classes.buttonSelected : ''}
             >
               4 GB
@@ -156,7 +154,7 @@ export function PostageStampStandardCreation({ onFinished }: Props): ReactElemen
             <Button
               variant="contained"
               fullWidth
-              onClick={handleBatchSize}
+              onClick={() => handleBatchSize(32)}
               className={buttonValue === 32 ? classes.buttonSelected : ''}
             >
               32 GB
@@ -166,7 +164,7 @@ export function PostageStampStandardCreation({ onFinished }: Props): ReactElemen
             <Button
               variant="contained"
               fullWidth
-              onClick={handleBatchSize}
+              onClick={() => handleBatchSize(256)}
               className={buttonValue === 256 ? classes.buttonSelected : ''}
             >
               256 GB
diff --git a/src/utils/stamps.ts b/src/utils/stamps.ts
deleted file mode 100644
index 47d20bfe..00000000
--- a/src/utils/stamps.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-export function getStampUsage(utilization: number, depth: number, bucketDepth: number): number {
-  return utilization / Math.pow(2, depth - bucketDepth)
-}
-
-export function getStampMaximumCapacityBytes(depth: number): number {
-  return 2 ** depth * 4096
-}
-
-export function getStampCostInPlur(depth: number, amount: number): number {
-  return 2 ** depth * amount
-}
-
-export function getStampCostInBzz(depth: number, amount: number): number {
-  const BZZ_UNIT = 10 ** 16
-
-  return getStampCostInPlur(depth, amount) / BZZ_UNIT
-}
-
-// export function getStampTtlSeconds(amount: number, pricePerBlock = 24_000, blockTime = 5): number {
-//   return (amount * blockTime) / pricePerBlock
-// }
-
-export function getStampTtlSeconds(amount: number, pricePerBlock = 24_000, blockTime = 5): number {
-  return (amount * blockTime) / pricePerBlock
-}